基质

Yttrium Aluminum Garnet

(Y₃Al₅O₁₂)

掺杂

Erbium (Er ^-3)

掺杂浓度

50 Atomic % (~7x10 cm^-3)

朝向

[111] crystallographic directions

(±5°)

波前畸变

1/2 wave per inch of length，as measured in a double passinterferometer operating @ 1micron

直径公差

+.000”/-.002”

倒角

0.005”±0.003”@ 45°

滚光

30±5μinches

垂直度

Within 5 minutes of arc

平行度

30 arc-seconds or less

端面面型

Within λ/10 Wave at 632 nm wavelength

表面光洁度

10-5 scratch-dig per MIL-O-13830A

波前误差

Less than 1/2 wave per inch of length (meausred @ 1micron)

标准镀膜

Anti-reflection where R<0.25% @ 694 nm

激光棒朝向

60±5°from the c-axis

反射率

Less than 0.25% @ 2.94 microns

附着力和耐用性

Meets Mil-C-48497A standards

脉冲损伤阈值

Greater than 10 J/cm²

激光能级

⁴I_11/2 -⁴ I_13/2

受激发射截面

3×10^-20cm²

泵浦波长范围

600-800nm