Old 10-06-2015, 02:24 AM #33
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Default Re: Cylindrical lens setup in combination with beam expander

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Thank you for the information, I was researching wave plates this morning though google searches and found the loss can be under one percent, has that been typical for your own projects too?
Sorry...just saw this post !!! Yes....transmission loss thru the wave plate is less that 1%... Like I said....all one has to do is have the round glass filter/wave plate....spun in the correct position....and in the path of one (1) of the beams.


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Old 09-14-2016, 06:38 AM #34
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Default Re: Cylindrical lens setup in combination with beam expander

Hi.
I have a 1.6W Sci-Fi blue laser,and I bought a BE from Podo,together with two adaptors,but I can't find a way to assemble it so as to work.
Could someone help me please?
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Old 09-17-2016, 12:33 AM #35
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Default Re: Cylindrical lens setup in combination with beam expander

Double Post....My DUH !!!!!!!
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Last edited by CDBEAM777; 09-17-2016 at 12:48 AM.
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Old 09-17-2016, 12:34 AM #36
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Default Re: Cylindrical lens setup in combination with beam expander

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Originally Posted by Theodore41 View Post
Hi.
I have a 1.6W Sci-Fi blue laser,and I bought a BE from Podo,together with two adaptors,but I can't find a way to assemble it so as to work.
Could someone help me please?
WHAT ????? Take a pic of what you have....and maybe we can start there !!! Maybe...but I seriously doubt it can be done with any degree of cost effectiveness....sorry...luv stinks....truth hurts !!!

What you are attempting takes a special set up....READ....DEMANDING....Not easy !!!!!!!!!!!!

The optical design must begin from the start....It is extremely difficult with a custome set up....and to try to use a pre-existing unit....and design/machine a way to accurately fit it all together.... Well...Maybe doable....but....well....just not the way to go !!!

I am not trying to be a Wise Ass....BUT....Just using a set of Cylindrical lenses is challenging enough !!! Alignment and lens to lens spacing is critical !!!

Now...Add in the demands of a Beam Expander.....WOW....another magnitude of difficulty !!!.....as the corrected beam MUST enter the Beam Expander....almost perfectly in the center of the BE lens !!! NOT EASY !!!

I will throw a link on here showing a Blue LD + Cylindrical lens+ Beam Expander.....again....one of the most demanding Hand Held builds around !!

See this link !!!! 465nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Beam Out
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Last edited by CDBEAM777; 09-17-2016 at 12:45 AM.
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Old 09-17-2016, 10:38 AM #37
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Default Re: Cylindrical lens setup in combination with beam expander

If I knew how it is possible to send photos in this site,I had done it.
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Old 09-17-2016, 12:09 PM #38
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Default Re: Cylindrical lens setup in combination with beam expander

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If I knew how it is possible to send photos in this site,I had done it.
Hit the "quote" tab. Scroll down. See the tab "Manage Attachments"? You'll be able to upload photos from your computer.
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