Rectangular and 45¡ã Optical Contact Boards are necessary optical tools in manufacturing. The precision components totally depend on the accuracy of these optical tools. BTMT can provide various optical tools in different sizes, accuracy upon requirements.
 
 
Material £º BK7A
Dimension £º 85x45x20, 50x30x15
Angle Accuracy( ¦Ä ) £º

1", 2", 5", 10"

Surface Flatness £º ¦Ë /10@633nm
Surface quality £º

60/40

Chamfer: Protected bevel
 
 
m¡ªfringe down through the tested ridge line£»
¦Ë ¡ªwavelength£»
L¡ªsize of interference pattern£»
i¡ªan incidence angle on side.
 
Material £º BK7A
Coherence of H £º ¡À 0.01mm
Angle Accuracy £º

See table

Surface Flatness £º ¦Ë /10@633nm
Surface quality £º

60/40

Chamfer: Protected bevel
 

Product Number

L

H

¦¤ 45 ¡ã

¦¤ 90 ¡ã

¦È II

TG-01

55

22

5"

5"

20"

TG-02

55

22

10"

10"

30"

TG-03

70

17

10"

10"

30"

TG-04

70

17

20"

10"

30"

 
¡¤All dimensions are in mm unless otherwise specified.
¡¤Other sizes and accuracy are available upon your requirements.