Antireflection Coating

Wavelength user specified

Center Thickness

tc±0.25 mm

Chamfer

0.35 mm at 45° typical

Clear Aperture (CA)

≥ 85% of central diameter

Concentricity

≤ 0.05 mm

Damage Threshold

4 J/cm2, 20 nsec, 20 Hz @ 1064 nm

Diameter

φ+0/-0.25 mm

Optical Material

N-SF11 glass

Paraxial Focal Length

f±0.5% typical

Surface Figure

λ/10 at 633 nm before coating

Surface Quality

20-10 scratch and dig

Antireflection Coating

Broadband

Ravg ≤ 0.5% per surface

Narrowband

R ≤ 0.25% per surface

PLCX-
15.0-19.1
-SF11

24.7

25.0

25.5

25.6

-2.1

26.5

PLCX-
25.4-38.1-
SF11

49.2

49.8

50.9

51.2

-2.1

52.2

PLCX-
25.4-58.2-
SF11

75.1

76.1

77.7

78.1

-2.1

77.4

PLCX-25.4-114.6-SF11

148.0

149.9

153.0

153.9

-2.1

150.7

PLCX-25.4-134.1-SF11

173.1

175.4

179.0

180.1

-2.1

175.6