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1550nm CW Fiber Coupled DPSS Laser 50W

High power single-mode 1550nm 50W CW fiber lasers with compact design , high  efficiency, near diffraction limited beam quality and maintenance free stable operation. They are widely used in laser pointing, marking, scientific research ,  dermatology treatment and other applications.
Wavelength(nm) : 1550
Output power(W) : 50
Spectral width(3dB): <1nm
Beam mode : TEM00
Operation mode :  CW
Output method : SMA905
Output core diameter : 15um
Average power stability(rms) : <3%
M2 factor <1.5
Beam dia.(mm) 4.0mm
Polarization  random
Operating temperature(℃) 10~35
life(hours) : 10000
Power consumption: <200W
Working Voltage: 24V
Cooling method: Air-cooled
Dimensions of laser head <300X400X150mm
More information about the applications:
 The application is absorption testing of coatings. Customers use the laser for generating a thermal lens on the test sample. This thermal lens is measured to calculate the absorption.
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Laser Laws

Federal rules for those owning or using lasers in the U.S.

In the U.S., it is legal under federal law to own a laser of any power. But often people talk about “illegal laser pointers”. This is somewhat confusing shorthand meaning that the manufacturer or seller illegally called a laser above 5 milliwatts a “pointer”, or illegally promoted it for pointing purposes.

Manufacturing and selling is illegal, not possession or safe use

Under federal law, it is perfectly legal to sell any laser above 5 mW as long as the laser complies with FDA/CDRH laser product requirements for labels, safety features, quality control, etc. AND as long as the laser is not promoted as a “laser pointer” or for pointing purposes.

If a laser over 5 mW is called a “pointer” or is sold for pointing purposes, the person doing the illegal action is the manufacturer or seller. If the consumer (end user) has a mislabeled or non-compliant laser, it is legal for them to possess it. We are unaware of any cases where a non-compliant consumer laser has been taken from its owner simply for being mislabeled or because it did not have the safety features of its class.

Of course, if a person uses a laser irresponsibly, then it may be confiscated. This confiscation could be done by private parties such as theater owners or concert promoters, or by police or other law enforcement officers.

What happens if I have an “illegal” (non-compliant) laser?

If a laser is found to be non-compliant, the manufacturer may be required by FDA to take corrective action such as offering a repair, recall or refund. However, it is not legally required for the owner to repair or turn in the laser. Consider a person who has a Toyota that is recalled for safety defects. If the person does not take their car to the dealer for corrective action, they still get to keep their car — the government cannot confiscate it.

A request for clearer terminology

As a side note, instead of using the term “illegal pointer” it is better to use “non-compliant laser” or to state that a laser is “illegally labeled” or “illegally manufactured”. This helps the general public understand that it is the laser itself that is not legal.

To help clarify this, think about “illegal drugs” or “illegal handguns”. In common usage, these phrases refer to drugs or guns which may meet all manufacturing and safety standards, but which are illegal for the public to own or use. But “illegal laser pointers” are the opposite: they are legal to own and use; the problem is that they do not meet manufacturing and marketing standards. So that’s why we ask for people to use more precise terms.

Some laser uses are regulated at the federal level

All laser products (devices) must be certified by the manufacturer to comply with 21 CFR 1040.10 and 11. In addition, there are three laser uses which must comply with these regulations. The uses are: 1) medical; 2) surveying, leveling and alignment (SLA); and 3) demonstration lasers used in a classroom, for advertising or for laser light shows. Laser pointers have traditionally been regulated as demonstration lasers.

In addition to these U.S. federal regulations under FDA/CDRH, there are federal OSHA regulations for occupational laser use, and some states and localities have their own laser regulations. For more information check the various pages in the Laser pointer laws section of this website including the Rules for U.S. sellers page and the U.S. laws page, and contact the FDA/CDRH. You can also contact a firm specializing in laser product and use compliance.

U.S. national, state and local laws

The following are some laws and regulations relating to laser pointers. This is not a comprehensive list, and it does not cover all laser-related laws (such as laws in Arizona, Texas, New York and elsewhere for the registration of laser equipment and/or laser show operators).

This list is intended to provide a starting point for additional research, and to illustrate how legislators attempt to define various terms and regulate various actions.

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1064nm Infrared Portable FIR Laser Pointer

1064nm is Far infrared laser ( FIR laser ) , reliable quality and stable performance.

Wavelength: 1064nm (Infrared)
Output power: 1500mW-2000mW
Average power: 1800mW
Dimensions: 36mm x 228mm
Transverse Mode: Near TEM00
Operating Mode: CW
Beam Diameter: adjustable
Beam Divergence: adjustable
Switch Type: On/off switch
Duty Cycle: Constant on
Power Source: 1 x 18650 Lion rechargeable battery and free battery
Operating Temperature: 0℃ ~ 40℃
Expected Diode Lifetime: >8000 hours
Warranty Period: 6 months
All-in-one Kit: Portable Laser; 18650 Lithium Battery and Free Charger; two keys for locking/unlocking; One remote interlock key; one aluminum alloy case; free $59.99 600-1100nm goggles;

Structure features:
Aircraft aluminum, hard anodized, wear resistance, corrosion resistance, high mechanical strength.
Laser dazzling, directions, optical inspection, special lighting.
Customers’ applications:
Pigmented lesion and sun & age spot removal can be removed by 1064nm laser.
Power vs Time cure, here we measued 600mW laser, not the 2000mW laser.
Power vs Temperature curve, it did best at 26 ℃.
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Infrared 980nm Completely Invisible Laser Sight


980nm completely invisible laser sight is the new version based on the 808nm infrared laser sight. It produces a infrared completely invisible laser beam. You can’t see it with naked eyes,you only can see it with the help of Night Vision Goggles. A best choice for hunting at night.
Laser Wavelength: 980nm
Output Power:50mW
Operating voltage: DC3.0-3.7V
Start-up time: < 1 seconds
Battery: 1x CR123A (16340)
Material: Rigid Aluminum
Surface treatment: Black anodized finish

Dual switches: Hand type / press type

The 980nm completely invisible laser sight won’t shoot any visible light dot on your targets, it won’t make animals get spooked while hunting.It’s shock resistant.
The laser of 980nm wavelength can’t be seen through pvs7 gen3 goggles.The range of the visible laser wavelength of this goggle is 400-950nm.

laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
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Rifle Sight Infrared Laser Sight 808nm IR Light


The 808nm laser rifle sight produces a infrared invisible laser beam. There is a very small red laser dot on the target. It’s almost invisible except you. There are two ways to mount it . Check the pictures below. The infrared laser sight are designed to use at night, you can see the target dot with your night vision goggle, such as yukon 1st gen nivision goggles, but you can’t see the green or red laser sight with your night vision goggles.Green or red laser sight is much brighter than this infrared laser sight. It’s almost invisible except you. You can detect the infrared laser target dot with night vision. It’s shock resistant.

laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors
laser pointer 303 4 colors

Laser Wavelength: 808nm
Operating voltage: DC3.0-3.7V
Start-up time: < 1 seconds
Battery: 1x CR123A (16340)
Material: Rigid Aluminum
Surface treatment: Black anodized finish
Dual switches: Hand type / press type
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IR Laser Pistol

These IR laser pistol is mounted a IR laser on a pistol. The IR laser is invisible, and you need a night vision to detect it.

When we said IR laser pistol, the IR laser means infrared laser invisible laser, not green lasers or other visible lasers.

Buy IR laser pistol :

opticsplanet:  IR Infrared Laser Sights from Top Brands at Low Prices.

streamlight : Tactical Weapon Light with IR Illuminator and Eye Safe IR Laser . It’s 850nm IR laser.

Steiner DBAL-PL:  Steiner DBAL-PL Class 1 IR Laser Dual Beam Aiming Laser – Pistol

cheaperthandirt: LaserMax Infrared Uni-Max Laser for Pistols 850nm

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Laser Pointer 303

Laser Pointer 303 is one of the most popular laser pointers. It has 4 colors : black, red, golden,blue, and the black one is the bestseller.

laser pointer 303 4 colors


If you want to buy a laser pointer 303, you may find it’s hard to find them on Amazon. The laser poionter 303 is forbidden on Amazon, therefor most of the 303 are removed. The prices are about 12$-15$.

Only about 30 results here at Amazon 

There are more search results on eBay, about 200 laser pointer 303 results. The prices are 9$-11$.

Most of the laser pointer 303 are selling on these online stores:

BestLaserPointers: BLP 200mW 532nm Green Burning Laser Pointer Laser-303 Interchangeable-Lens . They’re also for wholesale.

laserpointerpro: 200mw 532nm 303 focus kaleidoscopic flashlight green laser pointer.

htpow: 303 Laser Pointer Instructions and Recommend

It seems that the best place to get a laser pointer 303 is eBay, choose a good seller on ebay , and you can get it.

We BeamQlaser put all the laser pointer 303 parts in one category, check it here.


Laser 303 battery:

It use 1 pcs 18650 battery or 16340 battery. What’s the differences ?

18650 battery:Φ18mm,length:65mm
16340 battery:Φ16mm,length:34mm

The capacity of 18650 is larger than 16340, the 16340 is smaller than 18650, it is portable.


Laser 303 Charger:

Laser 303 Charger Instuctions:

The AC adapter easily folds out to charge and pack away Smart charger can charge for 16340,18650 Li-ion batteries, one at a time Suitable for 16340 or 18650 Li-ion for 1pcs batteries LED indication for Power On / Charging / Full charge AC110v-240v 50-60Hz input (international charger, can be used worldwide)


Laser 303 Long picture: