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Pellin Broca Prism > Pellin Broca Prism

Introduction

This dispersing prism is one of constant deviation ( 90゜) prisms and also called Brewster’s angle prism because the incident angle is Brewster’s angle. Pellin Broca prisms are used in monochrometer or in the cavities of laser to pick up a linearly polarized beam of certain wavelength.

 
 

Standard Specifications

  
 

Items

Specifications

Material

BK7 Grade A or equivalent Optical Glass

Designed Wavelength

546.1nm

Index of Refraction

1.5183 ± 0.0005

Dimension Tolerance

+0.0/-0.2 mm

Clear Aperture

> 80%

Angle

Θ1=79.5°± 0.5°Θ2=60°±1°

Flatness

λ/10 at 632.8 nm

Surface Quality

scratch and dig 20-10

Bevel

0.5 (0/-0.3) mm

Notes:

1. Material, besides BK7, UV Grade Fused Silica and any other material

 is available.

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

  
   
 

Part NO.

Material

A(mm)

B(mm)

C(mm)

PPB0101

BK7

36

60

25.4

PPB0102

UV Grade Fused Silica

11

20

6.4

PPB0103

UV Grade Fused Silica

23.5

40

12.7

PPB0104

BK7

23.5

40

12.7

  

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