2 WATT S3 SPYDER ARCTIC G2 LASER w/SMARTSWITCH™
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2 Watt S3 Spyder Arctic G2 445nm Blue Laser w/SmartSwitch™, retail $599.95 (www.wickedlasers.com...)
Manufactured by Wicked Lasers (www.wickedlasers.com)
Last updated 11-28-18
(In reference to the small package I received from Wicked Lasers on 11-06-13):
{sung like the Foreigner song "Feels Like the First Time"}
The 2 Watt S3 Spyder Arctic G2 445nm directly-injected diode laser (hereinafter, probably just referred to as the "Arctic") is an extremely powerful self-contained, handheld laser.
It is rated to produce more than 2 watts of laser radiation at 445nm (spectrographically measured at 442.700nm {low} and 448.710nm {high}) in the royal blue part of the spectrum.
This amazing laser was in the Guiness Book of World Records as “The most powerful handheld laser in the world”!!! 
It comes in a very sturdy aluminum body that has been hard-anodized, and feeds from a single 18650 Li:ION rechargeable cell (which is included along with the charger).
In addition, the laser's bezel has a phosphorescent (glow in the dark) ring on its inner surface that glows a light blue when the laser is turned off.
It also comes with LaserShades laser safety glasses -- which must be used every time you fire up this studly little laser...you don't want to end up like this guy: --->
This may look funny, but I assure you folks, this is no joke!!!
***EXTREME CAUTION!!!***
The USS Lantree is a quarantined vessel by order of Starfleet Command.
Do not board.
...o wait, wrong warning!!! 
***EXTREME DANGER!!!***
This laser can produce more than 2 watts of laser radiation at 445nm (royal blue), and can cause instant and permanent eye damage from an accidental reflection or accidental direct exposure!!! You need to know what you're doing and have the appropriate safety precautions for a CDRH Class IV laser device in place before you energize this laser!!!
Destruction of the eye isn't the only ocular (eye) hazard here:
Exposure to high levels of blue & violet radiation can also wreak havok!!!
Big Scary “Laser” (the word 'laser' is spoken with “air quotes” like Dr. Evil does in the Austin Powers movies)
SIZE
To use your shiny new (or corroded old) Arctic, feed it the included 18650 Li:ION cell first (see directly below), and ***THEN*** you can go set fire to the dead wingless legless fly that you found in your box of raisins*...er...uh...set fire to the side of the Bemis Industries building in south Seattle WA. USA.*
To use the portable laser (it has more modes than the original Spyder III Arctic thanks to its SmartSwitch™), follow these instructions:
1: Press the rubberised tailcap button until it clicks, and then release it.
The first LED on the barrel (a group of three arranged in a line on the opposite side as the SmartSwitch™ button) will begin flashing.
2: Click the SmartSwitch™ three times in rapid succession; then click it two more times significantly more slowly (hold the button in for approx 250ms {¼ second} with those last two presses).
This arms the laser and turns it on in steady-on mode at minimum power.
The SmartSwitch™ prevents accidental and unauthorized activation of the laser by requiring a short sequence of clicks and click-holds to unlock the laser.
o Low, Medium, High power mode - Pressing and holding the SmartSwitch will cycle through the power modes. 1 LED light indicates low power mode, 2 LEDs for medium power and 3 LEDs for high-power.
o Tactical Standby Mode - 1 quick click will set the laser to standby mode and another quick click will turn it back on.
o Strobe Mode - Double clicking the SmartSwitch button will set the laser to strobe mode. To exit, just double click on the button again.
o Full-power / Momentary Mode - Hold the SmartSwitch and press the button on the tailcap then proceed with unlocking the laser. The laser will only operate while the SmartSwitch button is pressed. The laser must be turned off to exit this mode.
Before firing up this studly little laser, you *MUST* be certain that you have the furnished laser safety glasses on!!!
The ones on the left (Argon Laser Safety Goggles) are not the ones you'll receive, but they do have an OD (Optical Density) of 5.00 at wavelengths of 515nm and shorter -- so they'll work quite well if I happen to accidentally sit on or step on and subsequently cause the furnished LaserShades to become busted.
The Arctic has a safety interlock dongle built into the tailcap -- this helps it to comply with FDA/CDRH requirements for a Class IV laser product.
This dongle (or "safety pin" as some have called it) can be removed by pulling it straight out. Doing so will completely disable the laser -- that is, the Arctic cannot be made to function even if a fully charged battery is left in place.
Restoring operation is as simple as pushing the dongle back into the opening in the tailcap for it; pushing in on it until it no longer moves.
*This is Worm Quartet...one guy (Reverend Shoebox) and three worms.
The song "Find The Dead Wingless Legless Fly In Your Box Of Raisins" is from the album "Faster than a Speeding Mullet".
To charge the battery in your Wicked Lasers S3 Spyder Arctic, unscrew and remove the tailcap, throw it into the the dustbin (garbage can), tie off the bin liner (plastic garbage bag), carry it to the outdoor wheelie bin (wheeled garbage can), throw it in, slam the lid down, roll the wheelie bin to the curb, and wait patiently for garbage day so that the dustman (garbage man) empties the wheelie bin into his dustcart (garbage truck)...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.
Tip the used 18650 cell out of the barrel and into your hand, and pop it into the included charger.
Insert a freshly-charged 18650 cell into the barrel, flat-end (-) negative first. This is the opposite of how batteries are installed in most flashlights, so please pay attention to polarity here.
Screw the tailcap back on, and be done with it.
Aren't you glad you didn't throw that tailcap into the dustbin now?
Current usage measures 40.90mA (quiescent), 510mA (minimum CW output) and 4.58A (maximum CW output) on a known-fully charged 18650 cell.
To charge the 18650 cell, place it in the charging cradle, orienting it so its button-end (+) positive is on the same end of the chamber in the charger that has a (+) embossed on its upper surface (in this case, the end of the charger that the power cord goes in).
Plug the charger into any standard (in the United States) two- or three-slot 110 volts to 130 volts AC 60Hz receptacle.
A red light on the charging cradle should now come on; this indicates charging is in progress. When the 18650 cell has reached full charge, the light on the charging cradle will turn from red to green.
At this point, unplug the charger, remove the charged cell from the charging cradle, and install it in the laser as directed above.
This is a portable laser, not a flashlight. So I won't try to drown it in the toilet tank, bash it against a steel rod or against the concrete floor of a front porch in effort to try and expose the bare Metalmarineangemon - er - the bare Metaltrailmon - um that's not it either...the bare Metalsusanoomon...er...uh...wait a sec here...THE BARE METAL (guess I've been watching too much Digimon again! - now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost, my sister's kitty cats, or my own adorable little fuzzbomb spring a leak (uranate) on it, hose it down with a gun, run over it with a 450lb Celebrity motorised wheelchair, stomp on it, use a medium ball peen hammer in order to bash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piñata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piñata Central {aka. "Party Central"}), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoñata (also located at Piñata Central) is only used to shoot piñatas to piñata parties away from picturesque Piñata Island, and Mt. Erupto is an active volcano on Piñata Island), send it to the Daystrom Institute for additional analysis, or perform other indecencies on it that a flashlight might have to have performed on it. Therefore, this section of the laser's web page will seem a bit more bare than this section of the web page on a page about a flashlight.
This is a directly-injected laser though, who's active components are the laser diode and the collimating lens. So it should withstand accidents better than a DPSS (diode pumped solid state) laser - the type of laser assembly found in yellow (593.5nm), green (532nm) and blue (473nm) laser pointers & laser modules (handheld or laboratory). These lasers have several additional components (crystals, filters, etc.) in the optical train, and you can knock them out of alignment by doing little more than looking at them the wrong way. And if any of these components are knocked out of whack, you'll no longer get your yellow, green, or blue laser beam.
You still do not want to intentionally drop your S3 Spyder Arctic though, because it's a rather expen$ive precision optical instrument.
***EXTREMELY IMPORTANT!!!***
This laser is a CDRH Class IV instrument, and the photons generated by it are much higher in energy than the photons generated by a red laser of equivalent power (not that you'd want to shoot your eye out with a 2W red laser anyway!!!); so you definitely do not want to shine it into your eyes, other people's eyes, pets' eyes, for that matter, the eyes of any person or animal you encounter. 
Eye damage can occur faster than the blink reflex can protect them, regardless of what species' eyes you irradiate with this laser. So just don't do it. 
And for Christ sakes (and for heaven sakes and for Pete sakes and your sakes too) do not shine the S3 Spyder Arctic (or any other laser for that matter!) at any vehicle, whether ground-based like a motorcycle, car, or truck, or air-based like a helicopter, airplane, or jet. And if you shoot it at a person in the dark and he turns out to be a police officer, he may think he's being targeted, unholster (pull out) his gun, and hose you down with it.
This is a CDRH Class IV laser device. Treat it with respect, and it'll treat you with respect.
This laser is water-resistant but not submersible, so please be careful around sinks, tubs, toilets, fishtanks, pet water bowls, or other places where water or water-like liquids might be found. However, you need not worry about using it outdoors when it's raining or snowing.
The case is made from 6061-T6 Aircraft-Grade Aluminum, and is treated with a black HA-III (hard anodized) finish.
The beam has a divergence of less than 1.5mRad (milliradians), and has a diameter of 1.50mm when it exits the product.
According to the web page on the S3 Spyder Arctic, it produces a TEM00 (transverse electromagnetic mode 00) beam - that is, it produces a beam with a Gaussian power distribution; circular with a central hotspot and dimmer corona. This is a typical laser mode, and is how many lasers (well, most lasers for consumer use anyway) are designed to operate.
The beam from the Arctic is not perfecly circular; it is oval (somewhat egg-shaped) like beams from all directly-injected diode lasers that do not have special beam shape corrective optics.
The high-power lens ("window" actually) is AR (antireflective) coated on both sides; this helps greatly with minimising loss of intensity due to reflective losses in the window.
Operating temperature range is between 32°F (0°C) and 100°F (38°C).
Using the Arctic beyond this temperature range is a rather severe no-no!!! 
From somebody who knows their {vulgar term for caca; rhymes with "pit"} about lasers, comes the following information about this laser:
A spot on a perfectly white wall, assuming the wall does not char:
At 7 inches, should your pupil fully dilate, the spot hits the border
between effectively Class II and effectively Class IIIa. Maximum safe
time to stare at it from that distance, should your eye focus the spot
that close, is 1 second. Probably less due to the blue factor.
At 29 feet, the spot is at the border between effectively Class I and
effectively Class II. At this distance, the spot is safe to stare at for
2,500 seconds, even with a fully dilated pupil. At greater distances than
that, it is safe to stare at indefinitely. This is according to 21 CFR
1040.10.
===============================================================
Aim that laser into a white high power LED, and maybe about half a watt
of yellow light will come out. That is about 200 lumens. The LED will
not be safe to stare into. With such an LED of the usual lambertian
radiation pattern, I figure around 60 candela or 60,000 MCD. You may get
somewhat more.
This laser will fluoresce most magenta, pink, red, orange, yellow, and
green fluorescent objects. Some green-glowing yellow objects could
produce 300-400 lumens of light, with an intensity of 80-125 candela
(80,000-125,000 MCD).
For comparison, if you look broadside at the filament of a clear 75 watt
120V light bulb rated to produce 1190 or so lumens and to last 750 hours,
that is about 120 candela. The ratio of candlepower to lumens is less
with the light bulb because it distributes light more widely and evenly
than a "lambertian" source does (such as a fluorescing or
beam-illuminated spot on a diffusing surface like a piece of paper).
With a light bulb having a visually straight linear filament, ratio of
lumens to candela is close to and ideally the square of pi, which is 9.87.
With a lambertian radiator such as a beam-illuminated or fluorescing
spot on a diffusing flat surface, the ratio of lumens to candela is
ideally pi (3.14).
Measures 245mW (minimum) and no less than 2,500mW (2.5 watts) (maximum) on a LaserBee 2.5W USB Laser Power Meter w/Thermopile.
I say, "no less than" here because my LPM (Laser Power Meter) only registers as high as 2,500mW.
Short-term stability analysis of the Arctic, low-power CW mode, 10 minutes.
Short-term stability analysis of the Arctic, high-power CW mode, 10 minutes.
At 460 seconds in, the laser temperature was measured at 113°F (45°C) on a CEM DT-8810 Noncontact IR Thermometer.
Beam terminus photograph on the test target at 12".
Photoflash was used to help mitigate image blooming.
Beam terminus photograph on a wall at ~15 feet (minimum power).
Again, photoflash was used to help mitigate image blooming.
"Beam" photograph outdoors at night with no (or extremely light) fog.
Photograph of a fairly large room illuminated only by the Arctic (at maximum).
"Beam" photograph outdoors at night (to use as a control for the photo directly below).
"Beam" photograph outdoors at night using the Wicked Lasers Beam Expander.
"Beam terminus" photograph outdoors at night to allow you to see the beam terminus spot projected onto low clouds (minimum power).
"Beam terminus" photograph outdoors at night to allow you to see the beam terminus spot projected onto low clouds (maximum power).
In all eight photographs, that white & purple color does not actually exist; my camera interprets royal blue as a purplish color.
"Beam" photograph outdoors during the daytime (overcast with mid-level clouds at ~5,000 feet {~1,524 meters}) that allows you to see the beam itself during daylight (~11:00am PST on 12-17-13) with the laser at maximum power.
Photograph of the beam from this laser in high humidity (no fog).
Photo was taken on 02-18-14 at 5:50am PST.
Photo that shows what you're supposed to see when you have the Arctic at maximum power; beam was swept across the floor.
Photo that shows what you see when you use a PROTECTED 18650 Li:ION cell instead of an unprotected one. Same conditions: beam was swept across the floor. Note the dotted line with a very small duty cycle instead of a steady one.
Beam photo into clear sky; Rayleigh scattering is responsible for most of the beam visibility here.
Spectrographic analysis of the S3 Spyder Arctic (on low).
Same as above; spectrometer's response narrowed to a range between 438nm and 448nm to pinpoint wavelength, which is 442.700nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/arc4lo.txt
Spectrographic analysis of the S3 Spyder Arctic (on high).
Same as above; spectrometer's response narrowed to a range between 442nm and 452nm to pinpoint wavelength, which is 448.710nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/arc4hi.txt
Spectral line halfwidth analysis (low). Appears to be ~2.700nm.
Spectral line halfwidth analysis (high). Appears to be ~3.300nm.
USB2000 Spectrometer graciously donated by P.L.
A beam cross-sectional analysis would normally appear here, but the computer that hosted the ProMetric 8 Beam Cross-Sectional Analyser was destroyed by a lightning strike in July 2013 (the monitor had this big-ass hole blown right through its viewscreen); although a replacement computer is already en route, there's a fairly significant chance that the beam cross-sectional analyser itself was also wiped out because both the computer & test
instrument shared the AC power at the same outlet on the same power strip.
In leiu of a beam cross-sectional analysis, I give you the above photograph that shows its distinctive "laser diode" beam profile.
TEST NOTES:
Test unit was sent by Steve of Wicked Lasers on 10-20-13 (or "2013 20 Oct." if you prefer), and was received on 11-06-13 (or "2013 06 Nov." or even Nov. 06, Twenty Stick-Tits" if you prefer).
***EXTREMELY, CRITICALLY IMPORTANT!!!***
This is a Class IV laser product!!!
Eye exposure will cause INSTANT (and permanent!) damage, and it is a hazard (with regard to burn injury and fire) to skin, clothing, and any other flammable materials as well!!!
You don't want baby brown recluse spiders, mosquito wrigglers (larvae) or Western Tiger Swallowtail butterfly caterpillars (larvae)...I mean you don't want AN UNWANTED FIRE!!! 
To put it as briefly as possible, you must use this laser with ***EXTREME CAUTION***, and use the protective eyewear furnished with the laser ***EVERY TIME*** you fire it up!!!
The very high output power isn't the only eye injury hazard here...you also need to be aware (or made aware) of potential photochemical damage to the eyes and skin from exposure to very intense radiation at wavelengths ranging from 500nm (blue-green) to 400nm (violet) -- and shorter wavelengths of course:
(CLICK ON THE GRAPHIC TO READ MORE!!!)
* Bemis Industries is the largest toilet seat factory in the United States.
Setting fire to ***ANY*** structure, whether it be with a cigarrette lighter & gasoline, a barbecue lighter & hairspray, or even with a powerful laser like the Arctic is as illegal as H-E-Double-Bendy-Straws!!! You will be arrested and hauled off to jail, and be labelled a firefly...er...uh...FIREBUG for the remainder of your natural life.
UPDATE: 12-01-15
This laser uses an UNPROTECTED 18650 Li:ION cell only!
If a protected cell is used, the higher power output settings will cause the laser to extinguish, and maximum (momentary) mode will cause the laser to emit its beam in PWM mode and even at that, only for several seconds tops!
UPDATE: 11-28-18
From a posting on YourTube on one of my videos of this laser, comes the following:
For my 2nd gen the only way to enter high power mode is to hold the smart switch down and press the end cap. Then go through the turn on sequence.
PROS:
EXTREMELY POWERFUL output for such a small, self-contained unit
Overspec (yes, this is a good thing for a laser already labelled as Class IV)
Powerful enough to burn, destroy, and leave wrinkles everywh...o wait!!! wrong infomercial!!!
Color (royal blue @ ~446nm) is exceptionally vibrant and unusual for a handheld laser
Battery it uses is rechargeable; never have to find disposables for it
NEUTRAL:
CONS:
Timing for using the SmartSwitch™ is somewhat critical; if your timing sucks, you can't get this laser to fire off
(This is a crucial safety feature, and can rather easily be overlooked!)
Price is a bit steep
Protected cells (batteries) cannot be used in it
MANUFACTURER: Wicked Lasers
PRODUCT TYPE: Portable directly-injected royal blue-emitting (
=442.700nm {low} and 448.710nm {high}) diode portable laser
LAMP TYPE: Casio blue-emitting laser diode
No. OF LAMPS: 1
BEAM TYPE: Very narrow spot; it's a laser, remember?
SWITCH TYPE: Arm/disarm button & interlock dongle on tailcap; pushbutton on/mode change/off on barrel
CASE MATERIAL: Hard-anodized aluminum
BEZEL: Metal; has aperture (hole) for laser beam to emerge
BATTERY: 1x unprotected 185650 rechargeable cell; I believe 1,400mAh capacity
CURRENT CONSUMPTION: 40.90mA (quiescent), 510mA (minimum CW output) and 4.58A (maximum CW output)
WATER- AND DIET BERRIES & CREAM MOUNTAIN DEW-RESISTANT: Yes
SUBMERSIBLE: ¡¡¡LA GRAN CALABAZA CEPILLÁNDOSE LOS DIENTES CON UN CEPILLO DE DIENTES QUE CAYERON EN EL HIGIÉNICO, NO!!! 
ACCESSORIES: Belt holster, protective "LaserShades" laser eyewear, soft-sided pouch for them, "Class IV LASER" sticker, 18650 cell, charger
SIZE: 257mm L x 33.50mm Dia.
WEIGHT: 429g (15.130 oz.) incl. battery & dustproof window
COUNTRY OF MANUFACTURE: China
WARRANTY: 1 year
PRODUCT RATING:
2 Watt S3 Spyder Arctic G2 445nm Blue Laser w/SmartSwitch™ * www.wickedlasers.com...
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