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Old 05-25-2017, 07:35 PM #17
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Default Re: Solid-State Laser General

Quote:
Originally Posted by paul1598419 View Post
H2Oxide, I believe the combination of two Nd:YAG lines at 1064nm and 1319nm will not be nearly as straight forward as your diagram suggests. Spent a lot of time researching it, and the polarity as well as the angles of the two beams will need to be very carefully fine tuned to get a reasonable efficiency.

Would be important to pick a high quality combining mirror too, very high transmission at one wavelength (>99%) and very high reflection at the other (also >99%), otherwise you're going to introduce losses and other problems. Helps that two wavelengths are quite far apart.


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Old 05-25-2017, 09:09 PM #18
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Default Re: Solid-State Laser General

Quote:
Originally Posted by paul1598419 View Post
H2Oxide, I believe the combination of two Nd:YAG lines at 1064nm and 1319nm will not be nearly as straight forward as your diagram suggests. Spent a lot of time researching it, and the polarity as well as the angles of the two beams will need to be very carefully fine tuned to get a reasonable efficiency.
Of course it isn't. My diagram doesn't even give cavity or focal lengths. It's just something I spent 10 minutes on to show how you can have 2 crystals lasing on different frequencies within the same cavity.

It was never intended to be an actual design schematic.
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Old 05-25-2017, 09:31 PM #19
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Default Re: Solid-State Laser General

Diachi, I lost the ability to reference link 1 in your post #10 again. Was looking back to see how the PPKTP crystal was produced.
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Old 05-25-2017, 09:41 PM #20
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Default Re: Solid-State Laser General

Quote:
Originally Posted by paul1598419 View Post
Diachi, I lost the ability to reference link 1 in your post #10 again. Was looking back to see how the PPKTP crystal was produced.

Updated the link to use Sci-Hub.cc - shouldn't have any issues now.
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Old 05-25-2017, 09:44 PM #21
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Default Re: Solid-State Laser General

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488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
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632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
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808nm 1+W infrared laser
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Old 05-25-2017, 09:52 PM #22
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Default Re: Solid-State Laser General

Quote:
Originally Posted by paul1598419 View Post

No problem!
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405nm | Banggood LT-850 | "5mW" | Review Unit | Review WIP
445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
450nm | LaserPointerStore - Thor H2 | 1W(?) | Review Unit | >>Review<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



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