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Aluminum Concave Mirrors > Aluminum Concave Mirror BK7

Introduction

It is used to focus input beam in the direction of reflection. These products have high reflectance in wide range from visible to infrared and scarcely depend on incident angles. Aluminum overcoated with MgF2 and aluminum coating only are offered as standard.
 
 

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%

Focal Length

= 1/2 r  

Flatness

λ/2 at 632.8 nm (Substrates)

Surface Quality

scratch and dig 60-40 (Substrates)

Bevel

0.5 (0/-0.3) mm

Coating

R avg ≥87% @ 400–800 nm

Notes:

1. Surface Quality could reach 40-20

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

  
   
 

Part NO.

D(mm)

r(mm)

te (mm)

tc(mm)

Rear Surface

MAC0101

10.0

10.0

5.0

3.7

Ground

MAC0102

10.0

15.0

5.0

4.1

Ground

MAC0103

10.0

20.0

5.0

4.4

Ground

MAC0105

10.0

25.0

5.0

4.5

Ground

MAC0106

10.0

30.0

5.0

4.6

Ground

MAC0107

10.0

40.0

5.0

4.7

Ground

MAC0108

10.0

50.0

5.0

4.7

Ground

MAC0109

10.0

60.0

5.0

4.8

Ground

MAC0110

10.0

70.0

5.0

4.8

Ground

MAC0111

10.0

80.0

5.0

4.8

Ground

MAC0112

10.0

90.0

5.0

4.9

Ground

MAC0113

15.0

10.0

7.0

3.6

Ground

MAC0114

15.0

15.0

7.0

5.0

Ground

MAC0115

15.0

20.0

5.0

3.5

Ground

MAC0116

15.0

25.0

5.0

3.8

Ground

MAC0117

15.0

30.0

5.0

4.0

Ground

MAC0118

15.0

40.0

5.0

4.3

Ground

 

  

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