Crystal diameter(mm)

Ф7.6-7.8

Ф9.6-9.8

Ф10.6-10.8

Ф11.6-11.8

Ф12.6-12.8

Ф13.6-13.8

Ф14.6-14.8

Crystal length(mm)

20±2

25±2

30±2

Orientation precision(˚)

±0.2

Surface quality (S/D),MIL-PRF-13830B

20/10

Flatness

Better than λ/8@633nm

Transmitting wavefront distortion

Better than λ/6@633nm

Parallelism (″)

<10

Perpendicularity (')

<5

Clear aperture(%)

>90

Chipping(mm)

<0.1

Ring Electrode

Au film

Coating

AR/AR@1064nm,R<0.5%