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Thread: DTR's Laser Shop: Diodes-Drivers-Lenses-LEDs & More

  1. #11
    Join Date
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    <div style="text-align:center"><b style="color:rgb(0,0,255);font-size:x-large;line-height:30px;background-color:transparent">
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    <div style="margin-right:auto;margin-left:auto;display:inline!important">!NEW!</div>
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    <div style="margin-right:auto;margin-left:auto">20mm<b style="background-color:transparent">
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    <div style="margin-right:auto;margin-left:auto;display:inline!important">&nbsp;Copper Modules for 3.8mm 5.6mm and 9mm Diodes</div>
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    <div style="color:rgb(0,0,255);line-height:30px;font-size:x-large;margin-right:auto;margin-left:auto">The 20mm modules for 3.8mm and 5.6mm diodes come with a copper diode mount and with hefty aluminum back half that has room for a driver like the 12mm copper module versions. The 20mm modules for 9mm diodes are in full copper mount and back half 2.3 ounces worth. The copper back half is designed to makes perfect contact with the base of the 9mm diodes for maximum heat dissipation on the new generation high power diodes.&nbsp;</div>
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    <div style="line-height:30px;margin-right:auto;margin-left:auto"><span style="background-color:transparent"><font color="#0000ff" size="5"><b>Modules come with a focus ring, choice of lens and spring.&nbsp;</b></font></span><b style="color:rgb(0,0,255);font-size:x-large;background-color:transparent;line-height:30px"><b style="color:rgb(0,0,0);font-size:13.3333px;line-height:16.6667px"><b style="background-color:transparent;line-height:30px"><b style="font-size:13.3333px;line-height:16.6667px"><b>
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    <div style="color:rgb(0,0,255);line-height:30px;font-size:x-large;margin-right:auto;margin-left:auto;display:inline!important">There&nbsp;</div>
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    <div style="color:rgb(0,0,255);line-height:30px;font-size:x-large;margin-right:auto;margin-left:auto;display:inline!important">is also an option for a machined out driver shelf in the copper back half to mount/heatsink a driver to. Works great for mounting the X-Drive, SXD, Blackbuck V3 or Blackbuck V6.</div>
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    <div style="margin-right:auto;margin-left:auto"><font size="2"><font color="#0000ff"><span style="line-height:30px">Picture shows four different modules in various configurations. One in a XYZ mount which you can purchase separately. They fit these modules perfectly and provide excellent&nbsp;heatsinking. Like this one.</span></font></font></div>
    <div style="color:rgb(0,0,255);line-height:30px;margin-right:auto;margin-left:auto"><span style="color:rgb(51,51,51);font-family:Helvetica neue,Helvetica,Verdana,sans-serif;font-size:18px;line-height:normal;text-align:start"><span style="background-color:rgb(255,153,0)"><a href="http://www.ebay.com/itm/261407677401" target="_blank">SK-20 Bearing CNC Aluminum Rail Linear Motion Shaft Support Series Slide 20mm</a></span></span></div>
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    <img alt="" border="0" height="225" src="https://sites.google.com/site/dtrlpf/home/diode-modules/20mm-copper-modules/20mm%209mm%20with%20text.png" style="border:0px;max-width:100%;color:rgb(51,51,51);font-family:Verdana,Arial,Tahoma,Calibri,Geneva,sans-serif;font-size:13px;font-weight:normal;text-align:left;background-color:rgb(250,250,250);box-shadow:none!important;border-radius:0px!important" width="400">&nbsp;<img alt="" border="0" height="224" src="https://sites.google.com/site/dtrlpf/home/diode-modules/20mm-copper-modules/3.8%205.6%2020mm%20with%20text.png" style="border:0px;max-width:100%;color:rgb(51,51,51);font-family:Verdana,Arial,Tahoma,Calibri,Geneva,sans-serif;font-size:13px;font-weight:normal;text-align:left;background-color:rgb(250,250,250);box-shadow:none!important;border-radius:0px!important" width="400"></div>
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    <div><b style="font-size:13.3333px;line-height:18.5185px"><font size="3" style="font-family:courier new,monospace"><span style="color:rgb(255,0,0)"><font size="2">Free US shipping on order over $50 or Express For $20.&nbsp;<br>
    First Class International $14 "Not Tracked"(Offered On Orders Under $350 Orders Over will Default to Express Tracked for $45)<br>
    Or<br>
    Express 5-7 Day&nbsp;</font></span></font></b><b style="font-size:10pt;line-height:1.25;background-color:transparent"><font size="3" style="font-family:courier new,monospace"><span style="color:rgb(255,0,0)"><font size="2">$45</font></span></font></b></div>
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    Last edited by DTR; 12-30-2016 at 10:02.

  2. #12
    Join Date
    Feb 2011
    Location
    New Hampshire
    Posts
    3,513

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    DTR,
    Unlike the builders at LPF who are disassembling the module to incorporate it into flashlights, I'm interested in using one or two of these complete modules illuminate a mirror ball in a large dance hall. There are a lot of wires exiting the board what exactly is the drive set up? Is the associated board the driver and so we can "safely" use a lab style PS to supply the current(as in your pics)? If running continuously what is a reasonable max amp supply with the associated fined HS; what if we add a fan? With the included lens can you estimate a beam spread, as in 10 foot throw/ x foot wide?
    Thanks

  3. #13
    Join Date
    Feb 2011
    Location
    St. Louis
    Posts
    525

    Default

    With a heatsink like in the video and a fan you should be able to maintain about 1A-1.2A continuous no issues. If you add active cooling/TEC you may be able to bump that to about 1.5A.

    Here is a video I did for 1A with an Aixiz glass lens for 5 minutes in my finned heatsink and one of the micro fans I have. With a single element lens like the G-2 that would bump it a little more than 200mW at the expense of divergence. This is very similar to how they run in the projector but with about 100mA more but just one diode in the heatsink and the fan.




    Divergence will depend on the lens you go with.

    Here is the dot/bar @ 35 feet with a few lenses using a AAA sized battery for scale.






    Three element 405-445 glass lens.





    405-445 O-Like lens






    Single element G-1/G-2




  4. #14
    Join Date
    Jan 2007
    Location
    Florida
    Posts
    4,382

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    Just noticed the "Mitisubishi 300mW 635 Diodes In Module W/Leads" on your o.p. Are you going to add the price and beamspecs later (assuming this is a new(er) item, right?

  5. #15
    Join Date
    Feb 2011
    Location
    St. Louis
    Posts
    525

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    Yes they are $69 and can be purchased directly from my site.
    https://sites.google.com/site/dtrlpf/home

    These do have a very large emitter but there has been some testing using prisms to correct the beam.
    http://laserpointerforums.com/f50/he...tml#post966604

    Here is the data sheet.
    http://www.mitsubishielectric.com/se...0g71_p1251.pdf

  6. #16
    Join Date
    Jun 2007
    Location
    Monroe, Mi USA
    Posts
    815

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    A 300mW for $ 70.00 @ 638 ....and looks like a 500mW coming out for $ 120.00 ????????? Can optics tame this Mitsubishi ML520G71. ??? If they can ????? At this line...one would not need to combine so many...Four of these at 500mw..two @ 445...throw in some green ???? Thinking !!!!!!!

    CDBEAM
    Beam Axiom #1 ~The Quantum well is DEEP ! Photons for ALL !!
    .
    Beam Axiom #2 ~Yes...As a matter of fact...I DO wear tinfoil on my head !!
    .
    Beam Axiom #3 ~Whe'n dout...Po ah Donk awn et !!
    .
    Beam Axiom #4 ~A Chicken in every Pot, and a Laser Lumia in every Livingroom !!
    .
    Beam Axiom #5 ~"Abstract Photonic Expressionism"....is "Abstractonimical" !!
    .
    Beam Axiom #6 ~ "A Posse ad Essea" ~ From being possible to being actual ...is the beam target !

  7. #17
    Join Date
    Feb 2011
    Location
    St. Louis
    Posts
    525

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    Quote Originally Posted by CDBEAM View Post
    A 300mW for $ 70.00 @ 638 ....and looks like a 500mW coming out for $ 120.00 ????????? Can optics tame this Mitsubishi ML520G71. ??? If they can ????? At this line...one would not need to combine so many...Four of these at 500mw..two @ 445...throw in some green ???? Thinking !!!!!!!

    CDBEAM

    Sure hope we can tame them. I have built two of the 300mW diode so far and both are about 340mW @ 450mA with a G-2 lens. We did a murder fund and I send two off to a member that has a spectrometer to do some max current vs. wavelength torture testing. Hoping they can be over driven to 400-500mW without issue. They produce almost no heat. He has already done a little testing on one and says they are like the 445 where they shut down at a certain point instead of blowing which is awesome. That means they are really tough. He has not put up the graphs yet. More info to come.
    Last edited by DTR; 09-21-2011 at 21:07.

  8. #18
    Join Date
    Jun 2007
    Location
    Monroe, Mi USA
    Posts
    815

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    NO HEAT !!! Great.....All the current goes to pumping out photons in lockstep....to the Coxswain of 635 nanometers !!! If we can just get'em down to 1.0 mRad divergence....it'll be an early Christmas. PLEASE keep us posted !!! A GB to DTW is what I vote for......IF all goes good !!!!!
    Thanx...
    CDBEAM

    Yikes....now I am reading about a 2um x 40um emitter size....???? Beamshows...yes ?? Graphics ????????
    Last edited by CDBEAM; 09-23-2011 at 16:55.
    Beam Axiom #1 ~The Quantum well is DEEP ! Photons for ALL !!
    .
    Beam Axiom #2 ~Yes...As a matter of fact...I DO wear tinfoil on my head !!
    .
    Beam Axiom #3 ~Whe'n dout...Po ah Donk awn et !!
    .
    Beam Axiom #4 ~A Chicken in every Pot, and a Laser Lumia in every Livingroom !!
    .
    Beam Axiom #5 ~"Abstract Photonic Expressionism"....is "Abstractonimical" !!
    .
    Beam Axiom #6 ~ "A Posse ad Essea" ~ From being possible to being actual ...is the beam target !

  9. #19
    Join Date
    Feb 2011
    Location
    St. Louis
    Posts
    525

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    Yep I was very impressed with the efficiency as well and with the prism details Cyparagon posted over @ LPF he was able to get it to 0.9mRad. He also reported they don't seem to wavelength shift as much as most reds and playing with one tonight I noticed that they do get a considerable increase when you cool them. Will post some info on that tomorrow.

    Anyway I have 2 in stock and 10 more here tomorrow if anyone does not want wait for them to be shipped from China. I also include them in an Aixiz module with leads or just the bare diode(by request) for the same price as the China eBay sellers. Check out by clicking on the screenshot of my web store in the OP.


    Also anybody know why when I do an advanced edit on the OP and try to change the title of the thread it does not work? When I go back and try again it shows it saved it but the thread title remains the same.
    Last edited by DTR; 09-21-2011 at 22:26.

  10. #20
    Join Date
    Jan 2007
    Location
    Florida
    Posts
    4,382

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    This is very cool. However, I doubt with 100u emitter and .9mrad divergence that the output beam will fit on small scanner mirrors. I don't think that they are concerned with scanners on the pointer forums. Personally I don't object to large slower galvo mirrors but it seems that the high-end lasershow people do .
    Did they say how big the beam was at the aperture? (I may be wrong about the emitter size.. I certainly hope ;]

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