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BRIGHT NIGHT
LASER LIGHT
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Bright Night Laser Light, retail $281.16
Manufactured by Shen Zhen Sik Stage Equipment Co., Ltd
Last updated 09-16-14

The Bright Night Laser Light (model S-49) is a laser projector designed to be placed where people can see the beam (not the patterns it creates on the wall). It is sound-activated, so the beam patterns change in time with whatever music is being played at your venue.

It comes in an all-aluminum body, and has two lasers: a directly-injected red diode laser that emits at 650nm, and a green DPSS that emits at 532nm. The lasers are inside the unit, directed (aimed) at mirrored stepper motors that produce the beams you purchased it for.

This is being sold on Ebay as the "Twin Lens Red Green 120 mW Cyclops Laser".

SIZE

This unit is designed to be hung from the ceiling in your venue. So do that, by any means convenient or doable by you.

There is a bracket on the top of the unit with a hole in its center for just this purpose.

Plug the female end of a standard IEC cord (this type of cord is most commonly found connecting your computer to AC power; you should be able to find them inexpensively at a computer store) into the receptacle in the side of the unit, and plug the other end into a 110-130 volts AC 60Hz receptacle.

After a ~five second delay, the lasers will come on. This delay is intentional, to help the unit comply with the CDRH regulations for a Class IIIb laser product.

Be *ABSOLUTELY CERTAIN* the beams do not go lower than the tops of the heads of the tallest person you expect in your venue. 7 feet is a good value here.

A small trimmer pot

on the front of the unit can be adjusted with a #0 phillips screwdriver (the one with a 2.4mm shaft diameter from my set worked here) can be turned to adjust the sound sensitivity as desired. The product is set to the highest sound sensitivity as a default (in other words, this is how it is set when it comes out of the box).

Batteries are not used with this unit, so I don't have to tell you which part to remove, flush down the toilet, and then instruct you not to.

The Bright Night Laser Light is designed to be put somewhere and not abused, so I won't toss it in the bathtub, try to drown it in the toilet, throw it violently to the floor, stomp on it, run over it, or subject it to other punishments that regular flashlights might be subject to.
So this section will be kind of empty.

*** SUPER, VERY, CRITICALLY IMPORTANT!!! ***
This particular unit is designed to be operated at 110 volts AC 60Hz. Even though an IEC cord with a 220 volt male plug is furnished with the product, if you attempt to power it from a 220 volts AC line (frequency does not matter), it will almost certainly fail at once - and possibly quite spectacularly so, if this is done.

You don't want rats or carpet beetles...I mean...you don't want an unwanted fire.

The instructional material furnished with the product indicates it is designed to be operated from 220 volts AC 50Hz, but please check the label above the power input *BEFORE* plugging it in for the first time just to be sure you won't be sorry.

Here's the plug on the end of the cord that was furnished with the product.

A 2 amp fuse is located inside a small compartment above the AC input receptacle; hopefully this will blow out before any permanent damage is done here, but I can offer no guarantees regarding this.

A duty cycle recommendation was furnished...To maintain maximum laser diode life, the recommended operating cycle is 1 hour on, 1 hour off (50% duty cycle). If you want to run this laser all night it is recommended that you purchase 2 of these projectors and run them in sequence.

Photograph of one of the laser apertures, showing the mirrored stepper motor shafts in there.

The laser apertures are not covered by glass or plastic windows, so curious fingers, screwdrivers, liquid from thrown drinks, shards of glass from barware (shotglasses, schooners, martini glasses, etc.) that had become broken in a fight, etc. can get in there and {vulgar term for intercourse} up the works. I'd have really preferred it if these openings were covered.

This projector is a little different, in that instead of mounting it where the crowd can see the projected pattern, this one is designed to be mounted up high in such a location that the crowd can see the actual beams - fog or smoke is recommended so that the beams *CAN* be seen. It is not intended to be shone directly at the people themselves, but over their heads.

Showing one of the patterns produced by the projector.

(Update 02-16-10): Power was remeasured; the results are:
35.7492mW (red)
19.6200mW (green)

Power output measures 154mW (red) and 24mW (green) on a LaserBee 2.5W USB Laser Power Meter w/Thermopile.

Showing another one of the patterns produced by the projector.

Those rectangular graphic things near the top are marquees from:
Midway ''Omega Race''
Sega ''Star Trek''
Williams ''Joust''
Venture Line ''Looping''
Universal ''Mr. Do!'s Castle''
Jaleco ''Exerion''
Gremlin/Sega ''Astro Blaster''
Atari ''Tempest''

upright coin-op arcade video games from the 1980s.

And that red star thing on the marquees is from an American DJ Laser Widow.

Spectrographic analysis of the red laser.

Spectrographic analysis of the green laser.

Spectrographic analysis of the red laser; new software & settings used.

Spectrographic analysis of the red laser in this product; newest (01-13-13) spectrometer software settings used.

Spectrographic analysis of the red laser in this product; newest (01-13-13) spectrometer software settings used. Spectrometer's response narrowed to a band between 655nm and 665nm to pinpoint emission peak wavelength, which is 657.710nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/46/bnllr.txt

Spectrographic analysis of the green laser; new software & settings used.

Spectrographic analysis of the green laser; spectrometer's response narrowed to pinpoint the NIR laser line from the pump diode.

Spectrographic analysis of the green laser in this product; newest (01-13-13) spectrometer software settings used.

Spectrographic analysis of the green laser in this product; newest (01-13-13) spectrometer software settings used. Spectrometer's response narrowed to a band between 527nm and 537nm to pinpoint emission peak wavelength, which is 530.630nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/46/bnllg.txt

USB2000 Spectrometer graciously donated by P.L.

Quicktime movie (.mov extension) showing the laser show doing its thing.
It is approximately 4.2 megabytes (4,431,040 bytes); dial-up users please be aware.
It will take no less than twenty five minutes to load at 48.0Kbps.

Quicktime movie (.mov extension) showing the laser show doing its thing - again!.
It is approximately 4.1 megabytes (4,326,816 bytes); dial-up users please be aware.
It will take no less than twenty five minutes to load at 48.0Kbps.
I cannot provide them in other formats, so please do not ask.

Video clip on YourTube showing "sound sensitive" mode; the song "The Final Command" by Slayer was used.

This clip is approximately 27.24768231 megabytes (27,599,556 bytes) in length; dial-up users please be aware.
It will take no less than one hundred thirty seven (!) minutes to load at 48.0Kbps.
I cannot provide it in other formats, so please do not ask.

The gaps in the laser display do not exist in reality.

Video clip on YourTube showing "sound sensitive" mode; the song "Breaking the Law" by Judas Priest was used.

This clip is approximately 20.46573457 megabytes (20,602,110 bytes) in length; dial-up users please be aware.
It will take no less than one hundred two (!) minutes to load at 48.0Kbps.
I cannot provide it in other formats, so please do not ask.

The gaps in the laser display do not exist in reality.

TEST NOTES:
Test unit was purchased on Ebay, and was received on 08-15-06.

Product was made in Hong Kong. A product's country of origin really does matter to some people, which is why I published it on this web page.

UPDATE: 19-27-10
I converted this web page to BBCode and posted this evaluation on several other BBSs.

PROS:
Unique enough to be worth your while
Lasers are powerful enough to be truly useful
Durable aluminum housing

CONS:
Output windows are not covered; in my opinion they should be
AC cord may be incorrect - BE CERTAIN TO CHECK VOLTAGE LABEL BEFORE CONNECTING!!!

MANUFACTURER: Shen Zhen Sik Stage Equipment Co., Ltd
PRODUCT TYPE: Sound-activated laser show projector
LAMP TYPE: Laser
No. OF LAMPS: 2 (1 red, 1 green DPSS)
BEAM TYPE: Varies
SWITCH TYPE: N/A
CASE MATERIAL: Aluminum
BEZEL: N/A
BATTERY: N/A
CURRENT CONSUMPTION: Unknown/unable to measure
WATER RESISTANT: No
SUBMERSIBLE: NO WAY HOZAY!!!
ACCESSORIES: AC cord (*NOT* for 110 volts as this product needs!)
WARRANTY: 3 months

PRODUCT RATING:

Bright Night Laser Light *

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