Attribute

Specification

Material

N-BK7 or H-K9L

Wavelength(Narrowband)

532, 633, 850, 980, 1064, 1310, 1550nm

Wavelength(Broadband)

450-650nm, 650-850nm, 900-1200nm, 1250-1570nm, 1500-1610nm

Dimension Tolerance(mm)

±0.2

Thickness Tolerance(mm)

±0.2

Flatness(per 25mm@632.8nm)

λ/4

Surface Quality

60/40

Parallelism

<1 arc minute

T/R

50/50±5%, for random polarization ,T=(Ts+Tp)/2, R=(Rs+Rp)/2

Coating

Surface1: Partial reflection coating

Surface2: Anti Reflection coating