Passive Q-Switches
Northrop Grumman SYNOPTICS is the world's leading manufacturer of synthetic crystals and optical components used primarily in the solid-state laser industry.

CO:SPINEL
| Ordering Options and Specifications | |
|---|---|
| Absorption Coefficient: |
up to 3cm-1 |
| Optical Density (±5%) (depends on thickness): |
customer specified OD between 0.5 and 0.95 |
| Damage Threshold: |
> 500MW/cm2 |
| Orientation: | < 111 > |
| Surfaces: | flat / flat |
| Coatings: | AR < 0.25% @ 1533nm |
| Diameter: |
typical: 5mm - 10mm |
| Transmission: | typical: 0.70, 0.80, 0.90 @ 1533nm |
| Material Properties | |
| Formula: | Co2+:MgAl2O4 |
| Crystal Structure |
Cubic [111] |
Cr4+:YAG (Yttrium Aluminum Garnet doped with Chromium)
| Applications | |
|---|---|
| Passive Q-Switch Material | |
| Ordering Options and Specifications | |
| Absorption Coefficient: | Up to 6cm-1 |
| Optical Density: |
0.2 - 0.6 available |
| Damage Threshold: |
> 500MW/cm2 |
| Orientation: |
< 100 > |
| Coatings: |
AR < 0.2% at 1064nm |
| Material Properties | |
| Formula: | Cr4+:Y3Al5O12 |
| Crystal Structure: |
Cubic [100] |
| Moh Hardness: |
8 - 8.5 |
| Melting Point: |
1950°C |
| Density: |
4.55g/cm3 |
| Thermal Conductivity: |
0.14Wcm-1K-1 |
| Thermal Expansion: |
6.9x10-6oC-1 |
| Young's Modulus: |
3.17x104kg/mm2 |
| Thermal Shock Resistance: |
790Wm-1 |
Northrop Grumman SYNOPTICS
1201 Continental Boulevard
Charlotte, NC 28273
Phone: 704-588-2340 | Fax: 704-583-5851
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