Zinc Selenide coatings: Anti-reflection coating0 pages

Reflection Coating on Z\n; t^-mde for "LOJ^J:^

Technical D-ta "::~......:i r:.....01

Application

This coating is used on Zinc Selenide lenses and windows in high power laser applications where low

absorption is important.

Transmission

For a 2mm thick witness piece, coated on both sides with

UCS_ZAR_01

T> 99.35% for 10.6pm

Reflection

Per surface, AOI from 0° to 15°

R < 0.2% for 10.6pm

Absorption

For a 7mm thick lens

Absorption < 0.25%

Environmental

Adhesion MIL-C-48497A, 08/09/1980, para 4.5.3.1 Tape test

Humidity MIL-C-48497A, 08/09/1980, para 4.5.3.2 24hrs, 49°C, 95-100% relative humidity

Abrasion MIL-C-48497A, 08/09/1980, para 4.5.3.3 Moderate, 50 wipes with a cheesecloth

Sizes

Up to 300mm diameter

Typical Reflection Values

UCS_ZAR_01 Reflection per surface

4.0%

3.5%

3.0%

2.5%

20%

1.5%

1.0%

0.5%

0.0%

9.5 10 10.5 11

Wavelength (urn)

11.5 12

Umicore Coating Services Ud

Kinnouil Street

Dundee, DD2 3ED

Tel: +441382 833022

Fax: +441382 833824

e-mail:coafingservfces@umicore.com

DCS reserves the right to amend or withdraw specifications without prior notice

VAT No: 503 0068 05

Registration No: 118425

Issue No. 2