 매우 높은 laser damage threshold

 0° 입사 시 높은 반사율 > 99.5%

 평면, 및 다양한 형상의 기판 사용 가능

Specifications

Product Code

Y2

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/–0.25 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-C-675C.

Insoluble in lab solvents.

Center Wavelength

532 nm

Reflectivity

Angle of Incidence 0°: R≥99.0%

Angle of Incidence 45°:

R≥98.5% for p-polarization

R≥99.0% for unpolarized

R≥99.5% for s-polarization

Clear Aperture

≥85% of central diameter

Damage Threshold

Pulsed: 5 J/cm2, 10 nsec, 20 Hz @ 532 nm

cw: 1 MW/cm2 @ 532 nm