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Old 06-06-2017, 12:33 AM #1
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Default Yvo4?

Call me stupid, but what is this used for when pumped with a 1550nm diode? I know that KTP+YVO4 pumped with an 808nm diode makes 532nm, and in that case the crystal is a frequency doubler. But I don't know what this combination does, and I'm very curious.


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Old 06-06-2017, 12:49 AM #2
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Default Re: Yvo4?

Maybe it could be used in a SFG laser, but don't have any idea what it might be.
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Old 06-06-2017, 04:04 PM #3
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Default Re: Yvo4?

A YVO4 for a 1550nm input seems to be for alternative purposes rather than optical pumping. What seems to be popping up quite a bit is birefringent wedges and beam displacers.
The wavelength itself has been used in SFG applications.
Nd:YVO4 doesn't have any absorption peaks at 1550nm so it doesn't seem to have any benefit at pumping at that wavelength.

Edit: Not that it is relevant to the OP but Paul, SFG has been achieved with 1550+1085 (638.24) and 1550+1160 (663.47).
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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.
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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.
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Bang good is a good source for many electrical items and are often cheap and reliable.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
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Last edited by CurtisOliver; 06-06-2017 at 04:09 PM.
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Old 06-06-2017, 06:20 PM #4
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Default Re: Yvo4?

Yeah, my main concern was using it with Nd:YVO4. I could find nothing concerning that. My guess was that 1550nm might be used in SFG. Thanks for the confirmation.
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445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
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
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
Radiant X4 3.7 Watt LPM
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Old 06-06-2017, 06:50 PM #5
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Default Re: Yvo4?

You're welcome. I might do some more research into 1550nm.
__________________
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
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