300mW 660nm Diode Laser Module, retail $59.99
Manufactured by (Unknown)
Last updated 11-24-12

This is a diode laser module that has a power output of 300mW pulsed and 200mW CW (continuous wave), spectrographically measured at 660.6nm.

It comes in a metal body, and the focus is easily adjustable without tools from a tightly focused pinpoint to a narrow-medium spot.

With the CW driver that is included free if you ask for it, input voltage is +6 to +12 volts, from any source that can supply 250mA or more.

 Size of product w/hand to show scale SIZE

To power up this module (this is for the CW driver that I requested):
  1. Connect it to any source of 6 to 12 volts DC that can sink at least 0.25A (250mA).
  2. White wire is (+) positive, black wire is (-) negative.
  3. If you wish to have an on/off switch, you'll have to procure it elsewhere and connect it between one of the power supply terminals and the laser's matching power supply wire.
This laser module has a focusable beam.
To change the focus, turn the black ring at the end of the bezel (the laser's "business-end") to achieve the desired beam width. If you unscrew it too far, it will fall off - and if you aren't paying attention, a spring could shoot out as well. If this has occurred, just place the spring back in the laser's barrel, and screw the lens assembly back on at least two full turns from the time it "catches".

This laser can use *ANY* source of DC power between 6 and 12 volts that can supply at least 250mA, so this section really isn't needed here.

Current usage measures 216mA when powering it from two CR123A cells in series (open-circuit voltage just over +6 volts).

This is a laser, not a flashlight. So I won't do the smack test on it. I know you love to see me break things, but it "ain't" "gonna" happen today, folks. So I won't throw it against the wall, stomp on it, try to drown it in the toylet bowl or the cistern, run over it, swing it against the concrete floor of a patio, use a small sledgehammer in order to bash it open to check it for candiosity, fire it from the cannoņata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piņata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piņata Central), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoņata (also located at Piņata Central) is only used to shoot piņatas to piņata parties away from picturesque Piņata Island, and Mt. Erupto is an active volcano on Piņata Island {In the episode "Les Saves the Day...Again", Paulie Preztail says "Hey, ever wonder why this park's called 'Mount Erupto' anyway?", then Franklin Fizzlybear says "I think its an old native term. Means 'very safe.'"}), send it to the Daystrom Institute for additional analysis, or inflict upon it punishments that flashlights may have inflicted upon them. So this section of the laser module's web page will seem ***SIGNIFICANTLY*** more bare than this section of the web page on a page about a flashlight that was born to be a flashlight and nothing but a flashlight.

Power output analysis
Power output measures 135mW on a LaserBee 2.5W USB Laser Power Meter w/Thermopile.

Beam photograph on the test target at 12".
The yellow & white color does not actually exist; image also bloomed SIGNIFICANTLY in this photograph.
The artifacts you see are also *MUCH* fainter in reality.

Power output is far too high to measure with the instruments at my disposal.

Beam photograph on a wall at ~10 feet.

Those rectangular graphic things in the upper right quadrant of this photograph are marquees from:

Sega ''Star Trek''
Atari ''Tempest''
Venture Line ''Looping''
Jaleco ''Exerion''

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

And those colored graphics at the center and going left are my "Viva Piņata" posters.

Spectrographic analysis
Spectrographic analysis of this laser module.

Spectrographic analysis
Same as above; spectrometer's response narrowed to a range of 658nm to 668nm.
As you can see, this laser's peak output is at 660.6nm.

Spectrographic analysis
Spectrographic analysis of this laser module; newest (03-25-12) spectrometer software settings used.

Spectrographic analysis
Spectrographic analysis of this laser module; newest (03-25-12) spectrometer software settings used. Spectrometer's response narrowed to a band between 660nm and 663nm to pinpoint wavelength, which is nm.
As you can see, this laser's wavelenth is 660.978nm.

USB2000 spectrometer graciously donated by P.L.

Beam cross-sectional analysis
Beam cross-sectional analysis with beam widened (fast {X} axis).

Beam cross-sectional analysis
Beam cross-sectional analysis with beam widened (slow {Y} axis).

That dark spot to the left of center that queered both of these tests is a defect in the ProMeteric's CCD imager that cannot be compensated for.

Images made using the ProMetric System by Radiant Imaging.

Test unit was purchased on Ebay on 11-19-08, and was received on the morning of 11-26-08.

Since its peak output wavelength was spectrographically measured at 660.6nm and this is being sold as a 780nm module, there is a rather high chance that I was sent the incorrect module by mistake.

UPDATE: 11-29-08
It was made known to me by the seller that he did indeed send the incorrect module - a simple, honest mistake.
When the correct module arrives, I will be making a new web page for it.

In fact, I might just rename this one "660.htm" so there is no chance of confusion.



    PRODUCT TYPE: Diode laser module
    LAMP TYPE: Diode laser
    No. OF LAMPS: 1
    BEAM TYPE: Adjustable from pinpoint to narrow-medium spot
    CASE MATERIAL: Metal & plastic
    BEZEL: Metal; laser diode recessed inside
    CURRENT CONSUMPTION: 216mA at 6 volts
    SUBMERSIBLE: For Pete sakes no!!!
    ACCESSORIES: CW driver circuit
    WARRANTY: Unknown/not stated


    Star Rating

300mW 660nm Diode Laser Module *

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