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Enhanced Aluminum Mirrors > Enhanced Aluminum Mirror BK7

Introduction

Enhanced aluminum provides increased reflectance through-out the visible spectrum as well as increased protection from a durable multilayer dielectric film.
 
 

Standard Specifications

  
 

Items

Specifications

Material

BK7 Grade A or equivalent Optical Glass

Designed Wavelength

546.1 nm

Designed Index

1.5183 ±0.0005

Dimension Tolerance

+0.0/-0.2 mm

Thickness Tolerance

± 0.2 mm

Clear Aperture

> 80%

Parallelism

< 3 arc minutes

Flatness

λ/4 at 632.8 nm (Substrates)

Surface Quality

scratch and dig 60-40 (Substrates)

Bevel

0.5 (0/-0.3) mm

Angle of incidence

45°

Coating

R avg ≥91% @ 450–750 nm

Notes:

1. Surface Quality could reach 40-20, 20-10

2. Parallelism such as 30” , 10”, 5” is available.

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

  
   
 

Part NO.

D(mm)

t(mm)

Rear Surface

MEA0101

10.0

3.0

Ground

MEA0102

10.0

5.0

Ground

MEA0103

12.7

3.0

Ground

MEA0104

12.7

5.0

Ground

MEA0105

15.0

3.0

Ground

MEA0106

15.0

5.0

Ground

MEA0107

20.0

3.0

Ground

MEA0108

20.0

5.0

Ground

MEA0109

20.0

6.0

Ground

MEA0110

25.4

3.0

Ground

MEA0111

25.4

5.0

Ground

MEA0112

25.4

6.0

Ground

 

  

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