Quartz Depolarizer / DEQ
Quartz depolarizers convert linearly polarized input beams into unpolarized beams and are used in front and behind of measurement equipment that must avoid polarization.
Common Specifications
| Material | Crystalline quarts, Synthetic fused silica |  |
|---|---|---|
| Material Propreties | Aluminum (Finishing: Black Anodized) | |
| Surface Quality (Scratch-Dig) | 20-10 |
| Schematic | Outline Drawing | ||
|---|---|---|---|
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| Part Number | Wavelength Range | Material | Thickness of Optics | Laser Damage Threshold | *
|---|---|---|---|---|
| DEQ-1N | 180 － 3500nm | Crystalline quarts | 2.5mm(Maximum) | - |
| DEQ-2S | 350 － 2500nm | Crystalline quarts、Synthetic fused silica | 4.4mm | 0.3J/cm2 |
| DEQ-2OP | 180 － 3500nm | Crystalline quarts | 5.0mm | 1J/cm2 |
*Laser pulse width 10ns, repetition frequency 20Hz
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