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介质高反镜

Dielectric (HR) Mirrors have the advantage of high reflectance and superior surface quality and accuracy. They offer near total reflection, minimizing losses in nearly all optical systems. These coatings are very durable, easily cleaned, and resistant to laser damage and reflectance can be more than 99%. The wavelength (range) of reflectance depends on incident angles (0 degree or 45 degree).

Specifications

Item                        
 Commercial
 High Precision
Material: 
Fused Silica; N-BK7 or others
Dimension X×Y(φ):  
1×1mm~25.4×25.4mm;φ3~φ25.4mm
Dimension tolerance:
±0.1mm
  ±0.03mm
Parallelism:
<3′
<30″
Clear aperture:
85%
Surface quality:
MIL20-10
Flatness(per 25.4mm):
 λ/2@ 632.8nm
 λ/10@ 632.8nm
Coating:
Specified by customer(Single wavelength HR>99.8% per surface)  
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