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76.2mm Clear Aperture 50R/50T, Pellicle Beamsplitter

Pellicle Beamsplitters

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Stock #39-489 3-4 days
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£302.60
Qty 1-10
£302.60
Qty 11+
£257.21
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Clear Aperture CA (mm):
76.2
Coating:
Dielectric
Coating Specification:
50/50 @ 632.8nm
Construction:
Pellicle
Design Wavelength DWL (nm):
632.8
Diameter (mm):
88.90
Housing:
Black Anodized Aluminum
Index of Refraction nd:
1.5
Mount Thickness (mm):
6.35
Reflection/Transmission Ratio (R/T):
50/50 ±5%
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Nitrocellulose
Surface Quality:
40-20
Type:
Pellicle Beamsplitter
Mounting Threads:
2-56
Thickness (μm):
2 +0.3/-0.0

Regulatory Compliance

RoHS 2015:
REACH 201:
Certificate of Conformance:

Product Family Description

Pellicle Beamsplitters are very thin nitrocellulose membranes bonded to lapped aluminum frames. They feature no ghost images from second surface reflections. To ease system integration, these beamsplitters offer mounting holes on the underside of the frame. Pellicle Beamsplitters are resistant to mechanical shock or climate variations but must be protected from dust and spray to avoid damage to the pellicle membrane. Please note, environments with a high level of humidity (>55%) can cause a temporary loss of tension in the pellicle membrane. The membrane will revert to normal tension if humidity is lowered. 

Note: Extra care must be taken when handling.