Old 02-12-2009, 08:31 AM #1
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Default China laser shop 100 mw red module




Output Power: 100 mW
Stability >90%
Wavelength: 650 nm +/- 5nm
Spot Mode TEM00
Operating Voltage 0-5v DC
Operating Current 25` 150 mA
Storage Temp -40 degree to 80 degree Celsius
Case Material Aluminium
Beam Divergence < 3 mrad
Beam Diameter at Aperture 4.5-5.0 mm
Life: About 3000 hrs
Operating temp: 10-50 degrees C
Warm up time: <10 ms


First impressions. (Laserhead)

First off in my opinion I love this laser head.
However is was expecting it to be a bit bigger.
However is does have a lot of positiveís
1. Itís easy to mount.
2. itís not to big but provides more then enough cooling for the diode
3. And itís easy to replace the diode in case it ever dies
Beam specs seem to be around 1 mrad
And the beam diameter is 4.5 mm
And there are more than enough mounting holes on the bottom side of the laser head.

Also it produces a nice round beam






First impressions. (Driver)

The driver does look kind of cheap but it does the job perfectly.
The current for this specific diode was set at 180 mA.
The blanking input can handle up to 10khz.
This should be more than enough for most applications.
Also it has a soft start feature.
So donít be worried when your laser does not turn on immediately

Beam quality is great no distortions or reflections.
Focus can be changed by turning the lens on the front of the module.
Mine was slightly out of focus when it arrived.

Now for the output power
The module is rated as 100 mw 655 nm
My first measurement just after power on peaked at 122 mw.
After 15 minutes I took a other measurement this one came in at 119 mw
After 1 hour I took a other measurement at this point the module was about 25 degrees.
And was doing about 127 mw so thatís a free 27 mw not bad for a module In this price range.



Overall this module seems to perform very well.
Its output is stable and free of distortions and reflections
The entire module costs 78 dollars including shipping
So the price is also very reasonable
Shipping to Europe took about 1 week
So overall I would recommend this module to anyone
Who wants to build a laser projector on a budget.
Also this module is available in a 200 mw version.
So it would be possible to combine 2x200 mw modules to say about 350 mw after all the combining optics.
The only thing that would be needed is a polarized beam combiner / splitter.
And these can be found on ebay for a couple of dollars
Hope this review was helpful

This module was provided for testing by
China laser shop
http://shop.ebay.nl/merchant/chinala...Q_fromZQQ_mdoZ
sales@chinalasershop.net
UK 020-8002-9884
USA 310-598-8413












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Old 02-13-2009, 01:52 PM #2
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Default Re: China laser shop 100 mw red module

after turing the pot up a little its now doing 150 mw
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Old 02-14-2009, 03:30 AM #3
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Default Re: China laser shop 100 mw red module

Looks like a nice module - at least for the heatsinked head. I suppose you could get much more power out of it when you insert a better diode and driver to match current required. Personally i'd go for the cheaper DX modules though, the heatsink seems similar in size and performance at a lower price.
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Old 02-14-2009, 10:00 AM #4
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Default Re: China laser shop 100 mw red module

yea the dx modules are cheaper but i prefer these above dx since the beam quality is way beter
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Old 02-15-2009, 01:32 AM #5
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Default Re: China laser shop 100 mw red module

Ah, thats a good reason in itself

I noticed that the DX heatsink fits aixisz modules pretty well though, so if you want you can insert an aixisz (with glass lens) into them and use them as cooling that way.

I see the same vendor also has 200 mW versions, though only sold in pairs right now - might be attractive especially if they are equally overspecced.
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Old 02-26-2009, 12:59 PM #6
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Default Re: China laser shop 100 mw red module

Quote:
Originally Posted by Benm
Ah, thats a good reason in itself

I noticed that the DX heatsink fits aixisz modules pretty well though, so if you want you can insert an aixisz (with glass lens) into them and use them as cooling that way.

I see the same vendor also has 200 mW versions, though only sold in pairs right now - might be attractive especially if they are equally overspecced.
yea the dx heads works great as a heatsink host need to get me one of those 2
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