Beamsplitter Penta Prism - Prisms - Products & Services

Products & Services > Prisms > Beamsplitter Penta Prism

Beamsplitter Penta Prism

By adding a wedge and with partial reflective coating on surface S1, it can be used as Beamsplitter, which we named as Beamsplitter Penta Prism. Transmission/ Reflection (T/R) ratio of 20/80, 50/50 or others for Beamsplitter Penta Prism is available upon equest.

Specification:

Material............................................................BK7 grade A optical glass

Dimension Tolerance..................................................................±0.2mm

90°,180° Deviation Tolerance.....................................................see table

Flatness......................................inclined surface:λ/8,other:λ/4 @632.8nm

Reflectivity............................................................R>95% @630~680nm

Surface Quality........................................................60-40 scratch and dig

Beamsplitter Ratio...........................................T/R:20/80±5%@630-680nm

Chamfer...............................................................................<0.5mm×45°

Coating:

①Entrance & Exit Surfaces: AR coating,Ravg<0.5% @630~680nm

②Reflecting Surface: Enhanced Alumium with black paint,Ravg>85% @630~680nm

P/N	A×h	Deviation
20301	6×5.8	<60"
20302	6×5.8	<30"
20303	6×5.8	<10"
20304	6×5.8	<5"
20305	7×6	<60"
20306	7×6	<30"
20307	7×6	<10"
20308	7×6	<5"
20309	8×8	<60"
20310	8×8	<30"
20311	8×8	<10"
20312	8×8	<5"
20313	10×10	<60"
20314	10×10	<30"
20315	10×10	<10"
20316	10×10	<5"
20317	10×10	<1"

●Unit:mm
●Other sizes and coatings are available upon request.