CASTECH--Er,Cr:YSGG Crystals
Description
Er,Cr:YSGG (Erbium，Chromium doped Yttrium Scandium Gallium Garnet) provides an efficient laser crystal for generating 2800nm light in an important water absorption band. It becomes one of the most promising laser crystals recently owing to its high conversion efficiency，stable chemical properties，long fluorescent lifetime. Now Er,Cr:YSGG is widely used in dentistry，environmental researching，optical communication，remote sensing technology and military etc.
CASTECH--Er,Cr:YSGG Crystals
Specifications |
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|---|---|
| Type Of Crystal: | Ho:Cr:Tm:YAG, TeO2 |
| Crystal Diameter: | 10 mm |
| Crystal Length: | 20 mm |
| AR Coating: | One side, Both sides |
| Crystal Structure: | Cubic，Garnet |
| Growth Method: | Czochralski |
| Lattice Constant: | 12.42Å |
| Refractive Index: | 1.92 at 1000nm |
| Thermal Expansion Coefficient: | 8.1×10-6/K |
| Thermal Conductivity: | 8W/mK |
| Fluorescent Lifetime: | 1400μs |
Features
- Lowest threshold and highest slope efficiency of common Erbium doped crystals
- High conversion efficiency
- Operates CW, free-running or Q-switched
- High optical quality
- The intrinsic crystal disorder increases pump line widths and tenability
- Can be flash lamp pumped via Cr bands or diode pumped via Er bands
- Long fluorescent lifetime
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2018
Frequently Asked Questions
Er,Cr:YSGG is a laser crystal that generates 2800nm light in an important water absorption band. It is used in dentistry, environmental researching, optical communication, remote sensing technology, and military.
Er,Cr:YSGG has the lowest threshold and highest slope efficiency of common Erbium doped crystals, high conversion efficiency, operates CW, free-running or Q-switched, high optical quality, and long fluorescent lifetime.
Er,Cr:YSGG can be flash lamp pumped via Cr bands or diode pumped via Er bands.
The basic properties of Er,Cr:YSGG include a 1400µs fluorescent lifetime of 5.2×10-21, emission cross-section of 12.3 cm2, thermo-optical factor of 8 (dn/dT)(10-6/K), hardness of 8 (Mohs), thermal conductivity of 8.1x10-6/K, thermal expansion coefficient of 1.92 at 1000nm, refractive index of 5.67g/cm3 (Cr & Er doped), density of Cr:0.5×1020, Er:4×1021, doping content of 12.42 Å, lattice constant of cubic, garnet crystal structure of Er:Cr:YSGG Y2.93Sc1.43Ga3.64O12, and chemical formula of Czochralski Growth Method.
The absorption coefficient of Er,Cr:YSGG can be found in Figure1.