Chromium-doped Yttrium Aluminum Garnet Cr-YAG Crystal

Specifications

Type Of Crystal: Cr:YAG
AR Coating: Both sides
Orientation: [111] or [100] within 5°
Scratch & Dig: 40/20 ~ 20/10
Flatness: λ/8
Parallelism: 30 arc Sec
Coating: AR/AR @1064nm, R<0.25%
Absorption Cross Section Spectral Region: 0.9-1.2 micrometer
Dopant Levels: 0.5 and 3 percent (molar)
Operational Wavelengths For Q-switching: 1000 and 1200 nm
Laser Output Wavelengths: 1350 and 1550 nm
Pumping Wavelength For Ultrashort Pulses: 1064 nm
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Features


  • Orientation: Available in [111] or [100] within 5°

  • Scratch & Dig: 40/20 to 20/10, ensuring high optical quality

  • Flatness: λ/8, providing precision and performance

  • Parallelism: 30 arc seconds, ensuring accurate alignment

  • Coating: AR/AR at 1064 nm, R<0.25%, optimized for laser applications

  • Wide Absorption Range: Cr4+:YAG offers a large absorption cross-section in the 0.9-1.2 micrometer spectral region, ideal for passive Q-switching in Nd-doped lasers.

  • High Damage Threshold: Durable and reliable under high-power conditions

  • Good Thermal Conductivity: Efficient heat dissipation for stable performance

  • Chemical Stability: Resistant to ultraviolet radiation and easy to machine

  • Versatile Applications: Suitable for passive Q-switching of lasers operating at wavelengths between 1000 and 1200 nm, such as Nd:YAG, Nd:YLF, Nd:YVO4, and Yb:YAG.

  • Laser Gain Medium: Can also be used as a laser gain medium, producing tunable lasers with outputs adjustable between 1350 and 1550 nm.

  • Ultrashort Pulse Generation: Capable of generating ultrashort pulses in the femtoseconds range when pumped at 1064 nm by an Nd:YAG laser.

Applications


  • Passive Q-Switching: Ideal for Nd:YAG, Nd:YLF, Nd:YVO4, and Yb:YAG lasers for producing pulsed outputs.

  • Femtosecond Lasers: Generates ultrashort pulses when pumped at 1064 nm.

  • Tunable Lasers: Functions as a gain medium for 1350–1550 nm wavelength outputs.

  • Compact Laser Designs: Enables solid-state, cost-effective, and robust laser systems.

  • Replacement for Traditional Q-Switching Materials: Replaces lithium fluoride and organic dyes in modern laser systems.