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Optical Substrates |
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Optical substrates are made from technical glass
materials and optical materials including fused silica
and quartz glass with these surfaces optically polished.
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Typical Applications |
| ¡¤imaging |
| ¡¤instrumentation |
| ¡¤spectroscopy |
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thinfilm |
| ¡¤optoelectronic
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| ¡¤Specifications |
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Optical
Substrates
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High
Precision
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Standard
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Material
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Fused silica or sheet glass
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Diameter Tolerance
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+0.0/-0.1mm
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+0.0/-0.1mm
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Thickness tolerance
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¡À0.2mm
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¡À0.2mm
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Clear Aperture
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>80%
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>80%
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Parallelism
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<10 seconds
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3'
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Surface Quality
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10-5 scratch and dig
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60-40 scratch and dig
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Wavefront Distortion
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¦Ë/10 per 25mm at 632nm
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¦Ë per 25mm at 632nm
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Bevel
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< 0.35mm¡Á45¡ã
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<0.35mm¡Á45¡ã
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