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Ti:Sapphire (Titanium doped sapphire - Ti:Al2O3) Laser Line and Harmonics
Ti:Sapphire laser crystal is used as a gain medium for tunable lasers and femtosecond solid-state lasers. Lasers based on Ti:Sapphire crystal are mainly used to generate ultrashort – femtosecond pulses.
The lasing band of Ti:Sapphire is 660-1050 nm, while common pump wavelength is frequency doubled Nd:YAG laser line at 532 nm or Argon Ion laser lines at 490 - 514 nm. The peak of emission in Ti:Sapphire is at 790-800 nm wavelength.
The lasing band of Ti:Sapphire is 660-1050 nm, while common pump wavelength is frequency doubled Nd:YAG laser line at 532 nm or Argon Ion laser lines at 490 - 514 nm. The peak of emission in Ti:Sapphire is at 790-800 nm wavelength.
- Frequency Conversion of Ti:Sapphire laser
- Specifications
- Figure
- Material Physical & Laser Properties
- Brochure
Frequency doubling and tripling allow access to the green, blue and ultraviolet spectral regions. While the frequency conversion by Optical Parametric Generation offers wide tuning range in the near-infrared spectral region. It is often sufficient to tune the Ti:sapphire wavelength for tuning the OPO, rather than tuning the OPO itself, e.g. by actively affecting the phase-matching conditions. Further wavelength extension to mid infrared range is possible by Difference Frequency Generation employing signal and idler wavelength pulses obtained from OPO.
Crystals selection for Ti:Sapphire laser wavelength range extension by frequency conversion:
| Thin BBO crystals for SHG @ 800nm → 350 – 450 nm range |
| Thin BBO crystals for THG @ 800nm → 230 – 300 nm range |
| Thin BBO crystals for OPG/OPA @ pump 800nm → 1050 – 2300 nm range |
| Thin BBO crystals for OPG/OPA @ pump 400nm → 480 – 2300 nm range |
| AgGaS2 crystals for DFG. |
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