Yttrium Calcium Oxyborate (YCa4O(BO3)3 or YCOB) is a good material for nonlinear optical and high temperature piezoelectric applications. YCOB crystal has very high electric resistivity that can be fabricated as piezoelectric sensors working at the temperature as high as 1000ºC in aerospace engines.
Parameter
- Grown by CZ method
- Maximal Size: dia100mm
- Custom design prouction is available
| Orientation Tolerance | < 0.5° |
| Parallelism | <20〞 |
| Perpendicularity | 5ˊ |
| Surface Quality | 10-5 (MIL-O-13830A) |
| Wavefront Distortion | <λ/4@633 nm |
| Surface Flatness | <λ/8 @633 nm |
| Clear Aperture | >90% |
| Thickness/Diameter Tolerance | ±0.05 mm |
Feature
Application
Feature
- High laser induce damage threshold
- Larger Temperature Acceptance
- Very high electric resistivity
- Smaller thermal expansion coefficient and less anisotropy
- Less parametric luminescence (three orders less)
Application
- Photoacoustic spectrum
- Intraluminal enhancement spectrum
- Cavity ring-down spectroscopy
- Used in the infrared wavelengths
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