Dopant concentration

Er: ~50 at%

Crystallographic rientation

[111]within 5°

Wavefront Distortion

≤ 0.125 λ /inch(@1064nm)

Extinction Ratio

≥ 25dB

Rod Sizes

Diameter

2~10mm

Length

50~120mm

Upon request of customer

Dimensional Tolerances

Diameter

± 0.05mm

Length

± 0.5mm

Barrel Finish

Ground Finish: 500# Grit

Flatness

λ /10

Parallelism

≤ 10"

Perpendicularity 

≤ 5 ′

Surface Quality

10-5[MIL-O-013830A]

Chamfer

0.05±0.03 inch at 45°± 5°

ARCoating Reflectivity

R ≤ 0.25% (@2940nm)