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| ◇ Laser | |
| Fiber coupled module | |
| Free space module | |
| Mini laser | |
| DPSS laser | |
| RGB combiner | |
| Collimator/ Focus optics | |
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| ◇ Optical units | |
| Narrow band Bandpass filter |
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| PBS prism Agglutination |
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| Mirror | |
| Wave plate | |
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| ◇ Crystals | |
| YVO4 | |
| LiNbO3 | |
| LiTaO3 | |
| CaF2 | |
| Nd:YVO4 | |
| Nd:YAG | |
Nd:YVO4 single crystal is one of the best laser host crystal for diode llaser-pumped solid-state lasers. It has high laser induced damage threshold, good mechanical and optical properties. Its large stimulated emission cross-section and high absorption of pump laser make it a right crystal for pocket baby laser. Nd:YVO4 can produce IR-green and blue laser by using minor different set-up
| Transmission wavelength | 914nm, 1064 nm, 1342 nm |
| Crystal type | Positive uniaxial, no=na=nb, ne=nc, |
| no=1.9573, ne=2.1652, @ 1064nm | |
| no=1.9721, ne=2.1858, @ 808nm | |
| no=2.0210, ne=2.2560, @ 532nm | |
| Sellmeier equation | |
| no2=3.77834+0.069736/(λ2 - 0.04724) - 0.0108133λ2 | |
| ne2=4.59905+0.110534/(λ2 - 0.04813) - 0.0122676λ2 | |
| Thermal optical coefficient | dna/dT=8.5x10-6/K, dnc/dT=3.0x10-6/K |
| Stimulated emission cross-section | 25.0x10-19 cm2, @1064 nm |
| fluorescence lifetime | 90 ms ( 2 atm% Nd 掺杂50 ms) @ 808 nm |
| Absorption coefficient | 31.4 cm-1 @ 808 nm |
| Absorption length | 0.32 mm @ 808 nm |
| Intrinsic loss | Less 0.1% cm-1, @1064 nm |
| Gain bandwidth | 0.96 nm (257 GHz) @ 1064 nm |
| Polarization laser | p polarization |
| Diode pumped optical to optical efficiency | > 60% |
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