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Old 08-22-2017, 09:02 AM #1
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Default How to connected two laser into one host ?

Hi Folks ,

Anyone know how to connect 2 lasers in 1 host only and then make them work both?


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Old 08-22-2017, 12:00 PM #2
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Default Re: How to connected two laser into one host ?

https://youtu.be/dW9ZmXbw4fQ

Here's a link to Rick's dual diode build. You might be able to get a idea or two ?
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Old 08-22-2017, 12:09 PM #3
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Default Re: How to connected two laser into one host ?

Quote:
Originally Posted by BobMc View Post
https://youtu.be/dW9ZmXbw4fQ

Here's a link to Rick's dual diode build. You might be able to get a idea or two ?

Thx BobMc,

Nice video, but that's not what I'm thinking of!
What I see in the video is too complicated for my capabilities!
I intend to insert 2 12x45mm modules complete with 1.5w each in order to get 3w totals! that's all !

Is there some photo guide here?
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Old 08-22-2017, 12:13 PM #4
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Default Re: How to connected two laser into one host ?

Quote:
Originally Posted by 3DLaSeRBuiLDeR View Post
Thx BobMc,

Nice video, but that's not what I'm thinking of!
What I see in the video is too complicated for my capabilities!
I intend to insert 2 12x45mm modules complete with 1.5w each in order to get 3w totals! that's all !

Is there some photo guide here?
Your welcome, don't know of any photo guides or build threads on a dual diode build. But try the search bar at the bottom. You might be able to find what your looking for. Best wishes.
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Old 08-22-2017, 12:16 PM #5
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Default Re: How to connected two laser into one host ?

Quote:
Originally Posted by BobMc View Post
Your welcome, don't know of any photo guides or build threads on a dual diode build. But try the search bar at the bottom. You might be able to find one. Best wishes.

Ok Thx again

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Old 08-22-2017, 01:19 PM #6
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Default Re: How to connected two laser into one host ?

Rick Trent just mounts a PBS at the end like so:



As for the wiring to the driver, i'm no electrical expert. But I pretty sure someone can help on that side of things.
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Old 08-22-2017, 01:33 PM #7
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Default Re: How to connected two laser into one host ?

Not sure how involved you want to get, but this is an interesting guide from Arg on combining multiple diodes.

Reference Guide: How to Combine Lasers
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Old 08-22-2017, 04:22 PM #8
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Default Re: How to connected two laser into one host ?

Hi Curtis glad to hear you , Yep , i watch before this video up on youtube , BobMc take me this link ! but i'm not capable to build this mechanism much compless !

Bowtie i like this guide ! but for now i haven't the little mirror for collimate many beams together.

Anyway Thx so much guys ! cheers
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Old 08-22-2017, 04:36 PM #9
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Default Re: How to connected two laser into one host ?

Combining two laser beams isn't hard. Getting them into a working pointer, a bit more complex. I suggest you work in lab form first so you can get an idea of what you are doing.
What diodes are you hoping of using?
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Optlasers RGB Modules

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Optotronics RPL 532nm DPSS Portables

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Dragon Lasers Yellow Laser Pointers

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Old 08-22-2017, 04:39 PM #10
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Default Re: How to connected two laser into one host ?

Quote:
Originally Posted by CurtisOliver View Post
Rick Trent just mounts a PBS at the end like so:



As for the wiring to the driver, i'm no electrical expert. But I pretty sure someone can help on that side of things.
Quote:
Originally Posted by BowtieGuy View Post
Not sure how involved you want to get, but this is an interesting guide from Arg on combining multiple diodes.

Reference Guide: How to Combine Lasers
Quote:
Originally Posted by 3DLaSeRBuiLDeR View Post
Hi Curtis glad to hear you , Yep , i watch before this video up on youtube , BobMc take me this link ! but i'm not capable to build this mechanism much compless !

Bowtie i like this guide ! but for now i haven't the little mirror for collimate many beams together.

Anyway Thx so much guys ! cheers
Quote:
Originally Posted by CurtisOliver View Post
Combining two laser beams isn't hard. Getting them into a working pointer, a bit more complex. I suggest you work in lab form first so you can get an idea of what you are doing.
What diodes are you hoping of using?

2x1.5W into 2x12x45mm module full
Like those used for the laser pointers I built long ago!
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Old 08-22-2017, 04:53 PM #11
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Default Re: How to connected two laser into one host ?

Why do you Quote your own Posts...

As Curtis stated.. maybe start with a
larger bench test setup to test any
combining solution that you will choose.

I would also use much lower powered
445nm Lasers for the combining tests.
It will be a lot safer...

Jerry
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Old 08-22-2017, 04:55 PM #12
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Default Re: How to connected two laser into one host ?

Thx for advice Jerry ...
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Old 08-22-2017, 04:56 PM #13
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Default Re: How to connected two laser into one host ?

What wavelength? I'm assuming 445nm. If so then why bother combining two 1.5W's? You would expect to see about 2.6-2.8W depending on losses. But instead you could use a single 3.5W+ NDB7A75 diode.
Also when combining it is important to note that you will have a '+' shaped beam, and reduced beam quality unless a waveplate is used.
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Notable products/sites:

Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
Bang Good Home

For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

For more sites and information please check out this thread.
Which company should I buy from? By Sta




Useful Links:
Wavelength to RGB Converter

Last edited by CurtisOliver; 08-22-2017 at 04:59 PM.
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Old 08-22-2017, 05:04 PM #14
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Default Re: How to connected two laser into one host ?

1.5W Nichia 405nm x2 ,yep maybe it's good take a single diode like 6w+ with max peak 7.4W !
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Old 08-22-2017, 05:13 PM #15
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Default Re: How to connected two laser into one host ?

Quote:
Originally Posted by 3DLaSeRBuiLDeR View Post
1.5W Nichia 405nm x2 ,yep maybe it's good take a single diode like 6w+ with max peak 7.4W !
FYI... There is a huge difference between a 405nm LD
and an 445nm LD... I don't think you will find a single
405nm at "6w+ with max peak 7.4W"

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Old 08-22-2017, 05:19 PM #16
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Default Re: How to connected two laser into one host ?

3D, I think you may be confusing 405 and 445/450. The highest you can realistically expect out of a 405 BDR-209 is 1.2W, 1.3W at an push and that is with serious overdriving.
Now with losses and assuming you have two 1.2W 405's running you could expect 2.1-2.3W. Where did you get 6W+ from with 405's?
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Last edited by CurtisOliver; 08-22-2017 at 05:20 PM.
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