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Off-Axis Cassegrain Collimator
The Off-Axis Cassegrain Collimator is a precision optical instrument based on an off-axis reflective design. The primary and secondary mirrors are arranged off-axis to eliminate central obscuration, reducing stray light and improving signal-to-noise ratio.
This design is particularly suitable for high-performance optical testing and imaging system calibration applications.
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3030 LK Off-Axis Cassegrain Collimator |
5030 LK Off-Axis Cassegrain Collimator | 10030 LK Off-Axis Cassegrain Collimator |
Parameter
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Parameter |
3030 LK | 5030 LK | 10030 LK | ||||||
| Optical Design | Off-Axis Cassegrain | Off-Axis Cassegrain | Off-Axis Cassegrain | ||||||
| Primary Mirror |
Quartz (Std) / Zerodur (Opt) |
Quartz (Std) / Zerodur (Opt)
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Quartz (Std) / Zerodur (Opt)
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| Coating |
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| Reflectivity | ≥85% | ≥85% | ≥85% | ||||||
| Focal Length | 3000mm | 5000mm | 10000mm | ||||||
| Aperture |
Ø 300mm |
Ø 300mm | Ø 300mm | ||||||
| Field of View | ≥0.5° | ≥0.3° | ≥0.17° | ||||||
| Collimation Accuracy | ≤5” | ≤5” | ≤5” | ||||||
| Wavefront Error |
RMS优于1/15λ@632.8 |
RMS优于1/15λ@632.8 |
RMS优于1/15λ@632.8 |
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| Weight | 80KG | 120KG | 200KG |
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Contact: sales@colorspace.com.cn
Phone: 15817270587
Tel: 400-886-3881(周一至周五 9:00~18:00)
Email: sales@colorspace.com.cn
Add: South Building #2-1101, Lv Di Qi Hang Office Building, Hou Sha Yu, Shun Yi District, Beijing, China
