Beamsplitter Penta Prism

By adding a wedge and with partial reflective coating on first reflective surface,Penta Prism can be used as Beamsplitter.We supply Beamsplitter Penta Prism with standard Transmission/reflection (T/R) ratio of 20/80,50/50.Other T/R ratio is available upon request.

Attribute	Specification
Dimension Axh (mm²)	2.5x2.5 ～ 100.0x100.0
Dimension Tolerance (mm)	±0.2 (General), ±0.05 (High Precision)
90⁰ Deviation Tolerance	<1 min. (General), <0.5 sec. (High Precision)
Flatness @633nm	λ/2 (General), λ/4 (High Precision)
Reflection (per face@400-700nm)	R>90%
Surface Quality	60/40 (General), 20/10 (High Precision)
Beamsplitter Ratio Transmission/Reflection	20/80 ± 5 or 50/50 ± 5
Coating on input and output sides	uncoated, AR Coating, etc.

Note for Beamsplitter Penta Prism:
(1). Besides N-BK7 glass, other optical glass is available for custom-made Penta Prisms.
(2). Typical dimension Axh is from 2.5x2.5-100.0x100.0 mm.
(3). Typical deviation tolerance is 1 minute, better precision such as 30 sec, 10 sec, 5 sec,
3sec, 1sec, 0.5sec is available.
(4). Typical reflection is >90% by Al coating, other metal coating such as Ag, Cu, or High Reflection
Dielectric Coating is available.
(5). Typical Beamsplitter Ratio Transmission/Reflection is 20/80±5 or 50/50±5, other Ratio is available.
(6). Besides uncoating, Anti-Reflective(AR) coating is available upon request..

Penta Prisms Corner Cube Retroreflectors

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