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See all 48 Products in Family

40mm Dia Enhanced Aluminum, λ/20 Mirror

Stock #34-364

£153.00

Qty 1-5
£153.00

Qty 6
£122.40

Qty 6+
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Curves eDrawings: eprt IGES PDF Drawings STEP: step

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Surface Flatness:

λ/20

Substrate:

Fused Silica

Back Surface:

Commercial Polish

Surface Quality:

20-10

Dimensional Tolerance (mm):

+0.00/-0.20

Diameter (mm):

40.00

Coating Specification:

R_avg >95% @ 450 - 650nm

Coating:

Enhanced Aluminum (450-650nm)

Coating Type:

Metal

Clear Aperture (%):

90.00

Edges:

Ground, protective bevel as needed

Parallelism (arcsec):

30.00

Thickness (mm):

5.00

Thickness Tolerance (mm):

±0.20

Type:

Flat Mirror

Wavelength Range (nm):

450 - 650

RoHS:

Compliant

Product Family Description

Precision Fused Silica Substrate
20-10 Surface Quality
Low Coefficient of Thermal Expansion

TECHSPEC® λ/20 First Surface Mirrors are polished to industry leading surface accuracy and quality specifications to minimize reflected wavefront error. These mirrors feature a precision fused silica substrate with a low coefficient of thermal expansion. Multiple coating options are available, allowing these mirrors to be integrated into applications spanning the visible through infrared spectra. TECHSPEC® λ/20 First Surface Mirrors are ideal for beam steering and reflection applications and are available in a variety of size, thickness, and coating options.