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Penta Prisms > BK7 Beamsplitter Precision Penta Prism

Introduction

By adding a wedge and with partial reflective coating on surfaces S1 Penta Prism can be used as beamsplitter. Transmission/reflection (T/R) ratio of 20/80 50/50 or others for Beamsplitter Penta Prism is available upon request.
 
 

Standard Specifications

  
 

Items

Specification

Material

BK7 Grade A or equivalent Optical Glass

Dimension Tolerance

± 0.20 mm

Surface Quality

scratch and dig 60-40

90° Deviation Tolerance

2 arc seconds

180° Deviation Tolerance

5 arc seconds

Flatness

λ/4 at 632.8 nm

Reflectivity

R > 95% at 632.8 nm

Beamsplitter Ratio T/R

@630-680nm, T/R:20/80±5

Notes:

1. Material, besides BK7, any other materials are available.

2. Deviation tolerance such as 1’, 30”, 10” is available.

3. Please show us the size and the coating specification.

  
   

 

90° deviation

5 sec.

2 sec.

A×h (mm)

Part NO.

Part NO.

7×5

PPA3101

PPA3201

10×10

PPA3102

PPA3201

 

  

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