Optical Wedge - Drawing.pdf

8.00, +0, -0.002

7° 0.25

1.33 0.02

0.02in

Surface 1

Surface 2

1. Substrate:

a. Material: Fused Silica (Corning 7980 UV grade, class 0, Grade F homogeneity (or better))

b. Substrate mechanical diameter: 8.00, +0, -0.002

c. Substrate Thickness Allowable Range: 1.33 0.02

d. Substrate Thickness Tolerances: all production parts must have equal edge thickness to ± .01”

e. Wedge Angle: 7° 0.25

e. Edge: Fine ground

f. Bevel: 45 degree nominal, 0.02” face width nominal, fine ground

2. Optical surfaces:

a. R = ∞ (Flat - Flat)

b. Clear aperture specifications: CA ≥7.75, centrally located

c. Wavefront distortion: Surface 1

i. ≤ /20 PVat 632 nm over the clear aperture

d. Wavefront distortion: Surface 2

i. ≤5 PV at 632 nm over the clear aperture

e. Surface Quality: Super-polish of ≤2Å RMS in the clear aperture of both surfaces

R=∞

Fine Ground

SN centered on thickest part of wedge

R=∞

Bevel Edge

A A

B B

Corning 7980 UV grade

Wedge 3, 4, 5

A

DO NOT SCALE DRAWING

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B

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TITLE:

NAME DATE

COMMENTS:

Q.A.

MFG APPR.

ENG APPR.

CHECKED

DRAWN

FINISH

MATERIAL

INTERPRET GEOMETRIC

TOLERANCING PER:

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TOLERANCES:

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ANGULAR: MACH BEND

TWO PLACE DECIMAL

THREE PLACE DECIMAL

APPLICATION

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THE INFORMATION CONTAINED IN THIS

DRAWING IS THE SOLE PROPERTY OF

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REPRODUCTION IN PART OR AS A WHOLE

WITHOUT THE WRITTEN PERMISSION OF

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