Precision Uncoated Optical Windows/Substrates

Precision Uncoated Optical Windows/Substrates

Material BK7 and UVFS (Corning 7980 0F grade)
Diameter/ dimensional tolerances +0/-0.1 mm
Thickness tolerance ±0.1 mm
Clear aperture >90%
Surface quality 10-5 S-D
Transmitted wavefront distortion (TWD) <λ/10 @ 632.8 nm
Parallelism error <5 arcsec
Protective chamfers <0.25 mm x 45°
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Being designed as precision windows/substrates to distinguish by supreme surface polishing quality as well as surface flatness and parallelism, which makes the windows indispensable article for most precision demanding applications. Special polishing technique is used to drive surface smoothness and flatness nearly to perfection. This product is ideal substrate to produce mirrors/polarizers for high power applications since laser induced damage threshold (LIDT) value is closely related to surface polishing quality. Negligible parallelism error (<5arcsec) causes minimum misalignment errors, when component is repeatedly inserted and removed, this particular property makes it first choice item when one needs substrates for beamsplitters and thin film polarizers with minimal beam deviation.
varna Superior polishing quality (10/5 Scratch/Dig)
varna Negligible parallelism error (<5arcsec)
varna Ideal for low scatter demanding applications
varna Same polishing quality applies to both surfaces
varna Minimum misalignment errors when window is repetitively inserted and removed

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Items per page page
Dimensions, mm Material Shape Surface figure (flatness), @ 632,8 nm Delivery Product ID / Drawings Price Action
12.7x6 BK7 Round <λ/10 Request 1-OS-1-0127-6-P Request REQ
25.4x6 BK7 Round <λ/10 Request 1-OS-1-0254-6-P Request REQ
20x40x5 UVFS (Corning 7980 0F grade) Rectangular <λ/10 Request 1-OS-2-2040-5-P Request REQ
25.4x3 UVFS (Corning 7980 0F grade) Round <λ/10 Request 1-OS-2-0254-3-P Request REQ
12.7x5 UVFS (Corning 7980 0F grade) Round <λ/10 Request 1-OS-2-0127-5-P Request REQ
25.4x6 UVFS (Corning 7980 0F grade) Round <λ/10 Request 1-OS-2-0254-6-P Request REQ
25.4x5 UVFS (Corning 7980 0F grade) Round <λ/10 Request 1-OS-2-0254-5-P Request REQ

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