Shape

Concave

shape

flat

Radius of curvature

1,000 mm (±1 %)

Chamfer

0.3 mm (±0.1 mm)

Chamfer

0.3 mm (±0.1 mm)

Test areaØe

twenty one

Test areaØe

20

Surface Tolerance

3/0.2(0.2) [L/10 @546.1nm]

Surface Tolerance

3/-(0.2) [L/10 reg. @546.1nm]

Cleanliness

5/2x0.04; L1x0.004

Cleanliness

5/1x0.016

Front (S2) (134129)

Back (S1) (131781)

1^st working range: high reflection HR (0°, 1520-1670nm)>99.99%

1^st working range AR(0°,1520-1670nm)<0.25%

Category High Reflection

Polarization unpol.

Angle of incidence 0°

Wavelength range 1520-1670nm

High reflection HR > 99.99 %

Category Anti-Reflectance

Polarization unpol.

Angle of incidence 0°

Wavelength range 1520-1670nm

AR / HT < 0.25 %

2^nd working range T(0°,1520-1670nm)~0.001%

Category Transmittance

Polarization unpol.

Angle of incidence 0°

Wavelength range 1520-1670nm

T ~ 0.001 %