SPECIFICATIONS

Substrate Material

Polymer Film

Thickness

0.003 inch (~ 76.2 µm), nominal

Wavelength Range

400 – 1800 nm

Retardance Ranges – 

Single Layer

Double Layer

20 – 1600 nm

1600 – 3000 nm

Reflectance

~ 4 % per surface

Retardance Variation

≤ 2 %/inch

Retardance Accuracy

± λ/300

Acceptance Angle

± 6˚

Transmitted Wavefront Distortion (per inch)

≤ 2λ (P-V @ 633 nm)

≤ λ/2 (RMS @ 633 nm)

Surface Quality

80 – 50 scratch-dig

Beam Deviation

≤ 30 arc sec

Operating Temperature

– 40 ˚C to + 60 ˚C

ORDERING INFORMATION

Round

Dimensions in. (mm)
± 0.02 in. (0.50 mm) 

Clear Aperture in. (mm)

Part Number

0.50 (12.7 mm)

0.45 (11.43 mm)

λ/4 Wave: BQ – 050 – λ

λ/2 Wave: BH – 050 – λ

1.00 (25.4 mm)

0.90 (22.86 mm)

λ/4 Wave: BQ – 100 – λ

λ/2 Wave: BH – 100 – λ

1.50 (38.1 mm)

1.35 (34.29 mm)

λ/4 Wave: BQ – 150 – λ

λ/2 Wave: BH – 150 – λ

2.00 (50.8 mm)

1.80 (45.72 mm)

λ/4 Wave: BQ – 200 – λ

λ/2 Wave: BH – 200 – λ

Square

Dimensions in. (mm)
± 0.02 in. (0.50 mm) 

Clear Aperture in. (mm)

Part Number

0.50 x 0.50

(12.7 x 12.7 mm)

0.50 x 0.50

(12.7 x 12.7 mm)

λ/4 Wave: BQ – 050×050 – λ

λ/2 Wave: BH – 050×050 – λ

1.00 x 1.00

(25.4 x 25.4 mm)

0.90 x 0.90

(22.86 x 22.86 mm)

λ/4 Wave: BQ – 100×100 – λ

λ/2 Wave: BH – 100×100 – λ

1.50 x 1.50

(38.1 x 38.1 mm)

1.35 x 1.35

(34.29 x 34.29 mm)

λ/4 Wave: BQ – 150×150 – λ

λ/2 Wave: BH – 150×150 – λ

2.00 x 2.00

(50.8 x 50.8 mm)

1.80 x 1.80

(45.72 x 45.72 mm)

λ/4 Wave: BQ – 200×200 – λ

λ/2 Wave: BH – 200×200 – λ