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OPSI
Diameter φD
Thickness t
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Silicon is a mono crystal primarily used in semi-conductor and is non-absorptive at 1.2μm to 6μm IR regions. It is used here as an optical component for IR region applications.

◦These silicon windows do not transmit at 1µm region or below, therefore its main application is in IR regions.
◦Because of its high thermal conductivity, it is suitable for use as a high power laser mirror

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Technical Data
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Guide

▶For transmittance at visible regions optics, we recommend to use ZnSe IR spectrum windows.
W3152
▶For product sizes and wedges which are not listed on our website or in our catalog, please contact our Sales Division with your requests.

Attention

▶Silicon windows have a shiny metal surface; it reflects and absorbs but does not transmit in the visible regions.
▶Silicon windows surface reflection results in transmittance loss of 53%. (measured data 1 surface reflection at 27%)

Common Specifications
MaterialSingle Silicon crystal (Si)
Parallelism<3′
Surface Quality
(Scratch-Dig)
40-20
Clear aperture90% of the diameter
Outline Drawing

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Schematic

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Physics

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Typical Transmittance Data

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T: Transmission

Part Number

Catalog PDF

dxf

STP

IGS

SAT

Zemax

OPSI-30C03-2-3

OPSI-40C04-2-3

OPSI-50C05-2-3

Spec
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Part Number
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    JP Yen Stock Qty
OPSI-30C03-2-3
OPSI-40C04-2-3
OPSI-50C05-2-3

φ30mm

3mm

φ40mm

4mm

φ50mm

5mm

RoHS  

¥15,000

IN STOCK
RoHS  

¥20,000

LOW
RoHS  

¥25,000

LOW