매우 높은 손상 임계값

높은 반사 성능 : 266nm ~ 1319nm 파장에 대해 0° 입사에서 > 99.5%. 213nm 파장에 대해 0° 입사에서 > 97.0% 가능

평면 , 볼록 및 오목 기판

Specifications

Product Code

Y1 • Y2 • Y3 • Y4 • Y5 • Y13

Substrate Material

UV -grade fused silica

S1 Surface Figure

λ/10 @ 633 nm before coating

S1 Surface Quality

10 -5 scratch and dig

S2 Surface Quality

Commercial polish

Diameter Tolerance

Ø 0/ 0/–0.25 mm

Thickness Tolerance

t ±0.25 mm

Wedge

≤5 arc min

Concentricity

±0.05 mm

Radius Tolerance

±0.5%

Coating Technology

Electron beam multilayer dielectric

Adhesion and Durability

Per MIL MIL-C-675C.

Insoluble in lab solvents.

Clear Aperture

≥85% of central diameter

Damage Threshold

Pulsed: 20 J/cm cm2, 20 nsec, 20 Hz @ 1064 nm

cw: 10 MW/cm cm2 @ 1064 nm