2014年3月30日星期日

It be possible to engineer laser diode


high powered laser pointers
Would it be possible to engineer an exact 10x scale m140 or other 1000 mw laser pointer diode and have it still be a real laser diode? ie still emit coherent laser light at 445nm. I was thinking about how most laser diodes are either 3.8 or 5.6mm and if it would be possible to make one much larger.
It would obviously be very interesting for different reasons including the fact that it would really let you see the normally very small parts of a laser diode in much better detail. It would be almost like a learning piece to study a real diode much easier because their usually small.
It would also be interesting because it could emit 20w of highly focusablegreen laser pointer pen light visible for a long way almost like an advertising spotlight. I know this is just fun speculation and it will probably never happen but its interesting and fun to think about anyway.

2014年3月27日星期四

Naturally powerful laser pointer collimation for 473nm blues


1000 mw laser pointer
This is a question for anyone who has a blue powerful laser pointer, pen or lab-style (or someone who knows a decent bit about them). Anyway, I have a 130mw lab-style blue laser and it has (for a visible light laser) pretty bad collimation + it is multi-mode.
My laser splits off into 3 beams at about 14 feet or so; and at about 25 feet the blue laser pointer beam is the size of a half-dollar! Also, I need a lens to light a match as well, though it will sting my skin at a couple feet from the aperture unfocused.
So, is is this (multi-mode and poor collimation) characteristic of 473nm 200mw laser pointer cheap? If you have a blue, is it like this?
Now I remember on LC that those few people who had the Spyder BX noted that those were Tem 02 (I think that's right - anyway there were three beams). I don't recall anyone saying much about collimation, other than that there was no way they could burn anything (or try - those weren't anywhere near 130mw, maybe around 35 or 40mw....) with out a lens.

2014年3月25日星期二

What is the Pioneering Role in Laser Safety Regulations


This paper discusses FDA’s role in developing product standards and other activities such as informative brochures for physicians and public information for consumers. 150mW blue Laser Pointer traces the legislative history of the Radiation Control for Health and Safety Act of 1968 and subsequent development of the regulatory program including highlights major milestones.
In the early years before the regulatory program evolved and no national or international controls existed, FDA worked with state public health/radiation agencies, local fire departments, universities and industry to evaluate the public health impacts of these products. This laser safety concern launched legislative and regulatory events.
The Agency pioneered measurement methodologies and safety evaluations of emissions from the products and used the early science to make risk estimates to public health. In the 1960s when high-powered lasers became a source used for entertainment and artistic lighting at concerts, including outdoor events, there arose a serious potential for laser injury.
Now decades later, the FDA programs have implemented reporting requirements for the manufacturers and safety standards for equipment. This powerful laser pointer has resulted in greatly expanded controls of domestic and imported electronic products as products with significant hazard were removed from the market. Methods have evolved such as product recalls, embargoes, import detentions and alerts, a product review process, and field inspections and investigations. Coordination with state counterparts is also a significant part of the current controls.

2014年3月23日星期日

that users should never direct a laser pointer beam

Numerous cases of such incidents have been reported, along with cases where individuals overreacted to being flashed. Reports of those exposed include a pilot, bus drivers, sports figures, a teacher, and police . Visible laser pointers operating with 1-5 mW power are Class 3a and can be hazardous if viewed even for a very short time. Users should never look directly into the beam of Class 3a laser pointers, which are required by Food and Drug Administration (FDA) regulations to be marked "DANGER." (Class 2 lasers are labeled "CAUTION.") Possible hazards include startle effects, flash-blindness, glare, and after-images if a person is struck directly in the eye. In some states, such as California, it is a criminal misdemeanor to shine a laser pointer at individuals who perceive they are at risk, and it is a felony to aim one at an aircraft. Some local governments have Laser Pointer 200mWpassed regulations requiring anyone purchasing a laser pointer to be 18 years of age or older. It is expected that the pending revision of ANSI Z136.1 will have a special section commenting on laser pointers. In addition, an even brighter pointer is now on the market whose wavelength is at 533 nm (green). This new technology uses a frequency-doubled Neodymium:YAG laser with a blocked infrared component.

2014年3月21日星期五

Proceeded to click the laser on the package in my car


5Pcs 30mW 532nm Flashlight Style 1010 Type Green Laser Pointer Pen with 16340 BatteryCategory:30mW Laser PointerMarket price:$159.95Price:$95.99Product Code:LPP018511
Today I received my long awaited 12x BDR laser running at 380mA ad 555mw firepower, weighing a mere 2.2 ounces and 4 inches long.(thanks Daguin and Igor). I ripped open the package in my car, and proceeded to click laser pointer on. Visually it looked not much different, and I turned it off after I noticed I was burning my dashboard... I mounted it on my dealxtreme stand and ran it to the longest hallway in my house (58ft, measured awhile ago for this moment ).
My 220mw SF-AW was able to pop a balloon from 35ft in about 4 secs, so I was really curious as to the popping distance of a 12x. So I then commence to power up the laser and attempt to focus a dot 58 ft away on a black piece of paper. (it gets all glowy and sparkly like ) I feel it is focused enough, so I remove the paper to permit the beam to strike the balloon(it doesnt even look like a dot, I would say the diameter of the "focused spot" looked to be 1 inch long,therefore I am almost disappointed into thinking It will not turn out to be as powerful as hoped.
So I remove sed piece of paper...and in less than a second the balloon is gone. I am shell shocked1000 mw laser pointer. I run into my room, blow up two more balloons (dont even tie them) and run them back to the danger zone to be extinguished, one at a time in each hand. If you were in my home when this happened you would have heard a *pop* (1 sec later) *pop*.
I now scrambled up this message to provide you all with the info that, as suspected, 12x's easily hold up to their reputation. I will now do some other burns...and await nightfall to check beam-age.

Electra violet portable laser

The shortest wavelength available in a laser pointer, the Electra produces laser light very close to the ultraviolet part of the visible spectrum at 405 nm. The unique properties of this laser include the ability to excite fluorescent and 200mw laser pointer phosphorescent materials. The Electra can be a useful educational tool in the classroom as well as a reliable near-UV portable light source for field work.

Key Features:

    Starting at:$239 Includes free shipping, see pricing and ordering tab.
    Output Power: <5 mW
    Expected Life: 5000 hours
    Wavelength: 405 nm (violet)
    Key Feature: Violet beam causes fluorescence effect in various materials
    Package Includes: Portable laser, aluminum carrying case, instructions/warranty.
    Casing: High-gloss black painted brass housing
    Safety Info: Under 5 mW complies with Class IIIa regulations
    Duty Cycle: 100%

2014年3月18日星期二

Build Review 3.5W+ Sinner's MS-Envy Custom Host 18350x2 @2.3A Build Thread

Build/Review: 3.5W+ Sinner's MS-Envy Custom Host
18350x2 @2.3A Build Thread

Hey All


I made a new laser using DTR's 9mm 445nm diode in the new MS-Envy Custom
Hosts and the results are astonishing , It is set at 2.3A current and puts out
an outrageous amount of power, Infact It is the most powerful laser i have made, Till date!

Components Used
- 9mm Nichia NDB7875 445nm Diode - DTR's Laser Shop
- MS-Envy 18650 Custom Host (2.3A JAD Kit).
- AW 18350x2 Li-Mn (IMR).
- Stock G9 Lens in DTR Brass Lens holder.
- ARGMeter Ophir 5W LPM with Data Logging.

MS-Envy - 18650 Custom Host Features:

- 30mm OD , Solid Aluminium Extended Heatsink*
- 5.25mm Thick Aluminium Walls.
- Double sided 17mm Driver Pill Pressfit-Design** (Dual-Driver support).
- Holds Both Single 18650 as well as Double 18350/16340.
- ExtraOrdinary Stable Builds for more than 5min Duty Cycle.
- Tripod Mount 1/4" Standard 3mm Set Screw.
- Metail Clicky - Polished

Recommended Duty Cycles:

<180s for 9mm Diode @2.4A
<300s for 9mm Diode @2.2A
<600s for 9mm Diode @2.0A
Maximum*: 15minutes @2A

Recommended: 15minutes M140 Diode @1.8A
Maximum*: Unlimited <1hr


The Build:
i - The Pill:
I cut a piece of protoboard and rounded it using cutting pliers, Filed down the
edges to give it a perfect tight fit, laser pointer I used a couple of pliers to hold the board
and pressed it in , Notice the negative wire is sandwiched down on the pill
which will later be soldered to make ground contact.





ii - The JAD Kit:


iii - DTR's module:


iv - Cut extra wire:


v - Soldering the Leads togather and shrink wrap them:



vi - Insert the module:



Build Complete:





LPM Test:


Now we come to the interesting part of any build, The LPM test I did two consecutive LPM tests, The tests were done in airconditioned environment.



3.55W Peak



Obligatory Images of Sinner's Custom Hosts



2014年3月4日星期二

mw green laser suggestion - Gives Usage Greater than Expectations

Astronomy green laser pointer can be a Flashlight style laser suggestion, which possesses a more compact charger. This device is portable and can be utilized in number of techniques. Green laser pointer might be a helpful companion while the traveling. You can point out the distant targets or stars through the use of high powered green laserlight pointer. Additionally you can send Depending on Needed (SOS) signs whenever required. Hence you possibly can make your journey fantastic and also interesting. Since 200mw green laser pointer can make a brilliant and strong beam of light, it can be useful for signaling purposes as properly. When you go to get Green laser pointer, you will be given a marvelous gift for your friends and relations members. 200mw green laserlight pointer possesses several splendid features, which make it a fantastic instrument. Green laser pointer produces visible beam of light having green color green laser pointer. The light is produced much more resilient in a dark location. Astronomy green laser pointer can be utilized with the convenience regarding power saving. It will come in a compact and more compact size. The material which can be used to manufacture this revolutionary product is reliable and resilient. Before sending to industry, the metal body regarding high powered green laserlight pointer is rubberized done laser pointer. Hence it provides comfortable grip and might not slipped away. You will find clips in the style of this high powered environmentally friendly laser pointer, which have been developed through heavy duty metal. These clips are much more resilient and durable. 200mw green laser pointer can be utilized due to its stronger beam of light for multiple purposes like projections around the screen, video monitoring, excursion guiding, pointing to the particular stars, presentations and classes, etc Laser Pointer 250mW. Astronomy green laser pointer possesses various other peculiar specifications as properly. This high powered environmentally friendly laser pointer produces the green light with all the wave length up to be able to 532 nm. Its output is 200mW as well as the light range is around more than 100 a long way. 200mw green laser pointer is supplied by a Lithium Battery power, and it possesses any switch button for effortless operability. Green laser suggestion produces the continuous end result waves; its weight will be 10. 05 oz and also body color is african american.

2014年2月26日星期三

How considerably are you aware of in relation to environment friendly beam of light tip

Nowadays, My business is rather keen on technological know-how in addition to scientific discipline. In addition to beam of light tip certainly evolved into one among the issues. When i tested with wikipedia in addition to located of which: some sort of beam of light tip or maybe beam of light put in writing is usually a modest convenient in addition to apparent beam of light created to identify anything connected with fascination by means of projecting a compact shiny position connected with hued light-weight onto it. When i manufactured some sort of realization soon after examining most of these text: Some sort of tip is usually no greater than some sort of battery-powered beam of light diode for going. It truly is shiny, apparent in addition to focusable (it's possible in addition to typically). Certainly, an important is usually it's beam of light. Beam of light suggestions currently will be unique while using the beginning people. Their early beam of light suggestions were being helium-neon (HeNe) propane lasers in addition to earned beam of light radiation on 633 nm. Many people are made to build a blue laser pointer with the production electric power not any over 1 mw . And maybe they are typically reddish colored beam of light tip. Currently, in addition to the reddish colored beam of light tip, different colorings usually are doable far too. Along with the 532 nm environment friendly beam of light is usually the most prevalent alternate. Looked after because of the wavelength, some sort of beam of light tip possesses several types, like reddish colored beam of light tip, environment friendly beam of light tip, violet beam of light tip, violet magenta beam of light tip, orange beam of light tip, and many others. Some sort of reddish colored beam of light tip is usually connected with 650nm, though some sort of environment friendly beam of light tip is usually 532nm. Violet having 473nm, in addition to violet violet having 405nm. Up to date orange has 593. 5nm, it truly is not often viewed in addition to utilised. In addition to any difficulty . this red-orange beam of light tip is additionally easily obtainable in technological know-how. Nevertheless don't often of people can purchase and have absolutely at least one. Looked after because of the production electric power, you will discover 1mw beam of light tip, 5mw beam of light tip, 10mw beam of light, 50mw, 100mw, 150mw, 200mw, 250mw…. Using the FDA, lasers usually are categorised. Apparent beam of light suggestions managing on a lot less than 1mW electric power usually are Category 3 or maybe II in addition to apparent beam of light suggestions managing having 1–5mW electric power usually are Category 3A or maybe IIIa. Category 3B/IIIb lasers managing concerning 5–500mW in addition to Category 4/IV lasers managing preceding 500mW are not officially endorsed seeing that beam of light suggestions. Some sort of beam of light tip is usually shiny. In the event it may not be, the item need to be cracked (hehe). This noticeable purity of any green laser pointer will depend besides within the optical electric power on the beam of light along with the reflectivity on the exterior, but within the chromatic answer on the human eye. With the similar optical electric power, this environment friendly beam of light will probably sound happier in comparison with different colorings considering that the human eye is usually almost all very sensitive on small light-weight degrees from the environment friendly spot on the selection. This redder in addition to bluer wavelength lowers tenderness. Also, health professionals claim of which beam of light suggestions having electric power a lot less than 5 mW usually are protected make use of. Your little friend breadth on the gleam in addition to small electric power connected with usual beam of light suggestions produce this gleam per se cannot be seen within a sensibly fresh setting, featuring an argument connected with light-weight as soon as eye-catching a opaque exterior. In addition to we need to superior have on a couple beam of light goggle to defend your little brown eyes as soon as tinkering with a superior electric power beam of light tip (in excess of 50mw). Factors come through for the reason that situations involve. The usage of beam of light tip can be quite generally. Beam of light suggestions can be utilised in educative in addition to small business demonstrations. Image showing is additionally requiring these individuals. Beam of light suggestions tend to be utilised for eye-catching going product. Reddish colored beam of light suggestions can be employed with any household or maybe low-light circumstances. It could possibly replace with this irritation by means of going available specifics manually ,, like with structure do the job or maybe interior design. Environment friendly beam of light suggestions can be employed intended for identical requirements together with outdoor with brightness, possibly intended for for a longer time kilometers. Some sort of beam of light tip can be quite practical. Even so, it might be unpleasant as soon as utilised definitely not adequately. I trust of which all people all around you incorporate the use of these individuals adequately. Solely that way can certainly your success possibly be took frontward.

2014年2月23日星期日

Laser Tip Pencil — Logo design Style

The improvements within laser beam technologies software in the last couple of years experienced created individuals question exactly what existence will be such as in the event that we'd not really found the wonder from the procedure. "Light Amplification through Triggered Emission associated with Radiation" is really a procedure that is right now referred to as Laser beam. We are able to discover laser beam within large number of customer items for example inkjet printer, scanning device, movie COMPACT DISC, healthcare gear, laser beam tip, and so on. Laser beam hasn't remarkably turn out to be the trustworthy servant the same as pencil as well as pen. Using laser beam tip with regard to training as well as demonstration is extremely a lot the regimen. Nevertheless, the number of customers know about the actual possible difficulties related to it's make use of? This particular laser beam tip may be the greatest however you like for just about any demonstration or even address. Accurate 18k precious metal plating provides this particular eco-friendly laser beam tip a good memorable sparkle, and also the laser beam by itself is really as amazing as well as dependable because some of the normal Lyra sequence tips. The actual extremely concentrated 5mW 532nm Open-back Kaleidoscopic Green Laser Pointer Pen eco-friendly column is going to be noticeable towards projection or even HIGH DEFINITION TV displays exactly where additional much less effective lasers could possibly get beaten up. This particular unique restricted release laser beam can make an excellent present for that individual in your checklist that likes some expensive within their clothing as well as desires their own add-ons to appear just like these people perform! Simply pushing 1 switch, the speaker may obviously determine towards the target audience the actual information about the demonstration slip that is numerous yards aside. The actual extremely concentrated gentle column produced through the laser beam tip may journey an extended range without having diverging as well as produce a vibrant place at first glance this illuminates. Because the column doesn't diverge, this retains greatly all it's power following departing the actual gun barrel as well as prior to striking the prospective. Traditional laser beam tip generally has a low-powered red-colored laser beam. The actual laserlight from the tip is actually produced with a laser beam diode that creates the actual red-colored wavelength. Because the energy from the laserlight is actually fairly reduced, correct utilization of the actual tip won't usually trigger any kind of security issues. Lately, a far more appealing eco-friendly laser beam tip is actually available for sale. The actual eco-friendly laser beam tip includes a particular benefit within the red-colored because human being eyes' reaction to the actual eco-friendly wavelength is actually much more delicate compared to red-colored. The actual eco-friendly us dot seems a lot better towards the target audience compared to red-colored us dot. Nevertheless, the actual laser beam diode that creates the actual eco-friendly wavelength isn't generally obtainable also it requires a complex set-up to create the actual eco-friendly column. Using the set-up, the ability from the eco-friendly laser beam tip can certainly review 100mW, while, the ability from the traditional red-colored tip is usually under 5 mW. There isn't any lack associated with movie clippings within the web displaying such a effective eco-friendly laser beam tip can perform also it requirements absolutely no additional example concerning the damage the eco-friendly laser beam stage may instill to the eye as well as pores and skin. Using the developing recognition associated with utilizing eco-friendly laser beam tip within the class configurations, customers ought to spend much more focus on the actual risks connected by using eco-friendly laser beam tip. To make sure secure utilization of the actual eco-friendly laser beam tip, person shouldn't make use of any kind of eco-friendly laser beam tip with a energy more than 5 mW so that as the routine, in no way stage the actual column from anybody. Definitely, using high-powered eco-friendly laser beam below investigation configurations is actually typical however utilize it within the class environment is actually way too dangerous. Using high-powered eco-friendly laser beam tip with regard to demonstration as well as class training ought to be purely banned. Another kinds would be the HARDWARE laser beam tip pencil and also the water-resistant types. The actual previous describes the merchandise that may be employed for regular day time delivering presentations. Throughout the show, the actual webpages might be relocated down and up. A few items possess the HARDWARE recipient that's generally allowed using the connect as well as perform perform, with no car owner is required. Within taking care of this particular product, it is essential it might assistance a number of demonstration applications such as MICROSOFT Term, MICROSOFT Stand out, MICROSOFT Powerpoint, ACDSee, Acrobat Readers as well as web sites. It will additionally end up being suitable for the actual operating-system, such as Home windows Landscape or even XP or even other people, of the pc, desktop computer or even laptop computer. It's precisely this particular benefit making laser beam tip therefore well-liked however simultaneously provides the security issue. Once the extremely concentrated laserlight makes connection with natural tissue, the actual extreme laserlight, based on exactly where this countries, might lead to severe burn off towards the tissue. Particularly, human being eye as well as pores and skin tend to be the majority of vunerable to laser beam accidental injuries. Attention as well as pores and skin exposures in order to laserlight should be prevented. How you can Make use of Laser beam Tip Pencil Security The actual laser beam tip is actually cylindrical fit, really small in dimensions as being a pencil. They're really useful as well as simple to shop however sensitive device. The primary utilization of laser beam tips would be to task a place or even specific place having a column through range to become proven to other people such as within delivering presentations, workshops and so on. Effective laser beam factors are utilized within aeronautical areas. Such as, spaceships, rockets. Because these types of lasers are extremely effective laser beam tip, just about all most recent created hands primarily the actual sniper guns tend to be arriving along with red-colored laser beam tips, that really help within focusing on the actual particular stage. Tips display the actual aimer the precise stage in which the topic may strike also it assists within TSF-302 230mW 532nm Adjust Focus Flashlight Style Green Laser Pointer Pen Black attaining the required outcome. There are specific preventive steps associated with utilization of effective laser beam factors, that ought to end up being purely adopted: The actual nude eye should not end up being introduced along with immediate get in touch with in order to lasers. It may damage the actual retina within the attention. The actual supports once they arise in the gear are extremely effective as well as could potentially cause severe harm in the event that created immediate get in touch with. Ought to be purely viewed. These types of lasers should not end up being directed in the direction of additional. Usually, ought to be directed dealing with in the direction of walls or even the ground. This may trigger accidental injuries in order to other people. These types of effective laser beam tips should not end up being fixed upon personal because they are created along with effective contacts that might harm in the event that fixed upon personal. Within thinking about a particular manufacturer, consider the actual top end elements, higher balance column energy as well as result energy TS-001 1000mW 532nm Green Laser Pointer Pen Black. These types of 3 tips tend to be your own methods to locating the ideal laser beam tip pencil.

1000mW High-power Kaleidoscopic Blue-violet Laser Pointer

This 1000mW High-power Kaleidoscopic Blue-violet Laser Pointer is small and exquisite, portable and with richer applications. Never miss the truly amazing light show, you'll be surprised with that many stars fill your space. Pick this blue laser pointer as the best present for friends and families. New and high quality It's more convenience that use laser point to the target instead of hands Lightweight and handy design, it is very convenient to put in bags or pockets Perfect for teachers, professors, doctors, managers, engineers and so on