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STANDA in Lithuania
STANDA  P.Box.2684, LT-03001 Vilnius 9 P.O., Lithuania
Phone +370 5 2651474, Fax +370 5 2651483
E-mail: sales@standa.LT
Standa in the World
Home > Coatings Section > WS - Wavelength Separating Coatings
Used to separate the spectral regions or specified wavelengths
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques

Wavelength separating coatings are used to separate the spectral regions or specified wavelengths (e.g. harmonic components) of the multi-frequency laser systems by selective spectral reflection, transmission and absorption. These multilayer dielectric coatings are used to separate the various harmonic components of frequency doubled laser systems by selective spectral reflection and transmission. In all cases one wavelength is reflected while the others are transmitted.

Wavelength Separating Coatings
Reflected Wavelength, nmTransmitted Wavelength, nmCoating
R>99% @ 266T>90% @ 355+532+1064WS1
R>99.5% @ 343T>95% @ 515+1030WS2
R>99.5% @ 355T>95% @ 532+1064WS3
R>99.5% @ 400T>95% @ 800WS4
R>99.5% @ 515T>95% @ 1030WS5
R>99.5% @ 515T>85% @ 630 - 1300, AOI=0°
T>90% @ 630 - 1300, AOI=45°
R>99.5% @ 532T>90% @ 266WS7
R>99.5% @ 532T>95% @ 1064WS8
R>99.5% @ 532+1064T>90% @ 355WS9
R>99.5% @ 532+1064T>95% @ 808WS10
R>99.5% @ 750 - 850T>95% @ 532WS11
R>99.5% @ 800T>95% @ 400WS12
R>99.5% @ 800T>95% @ 1100 - 1600WS13
R>99.5% @ 1030T>95% @ 515WS14
R>99.5% @ 1030T>95% @940WS15
R>99.5% @ 1030T>95% @ 976WS16
R>99.5% @ 1064T>95% @ 355WS17
R>99.5% @ 1064T>95% @ 532WS18
R>99.5% @ 1064T>95% @ 400 - 700WS19
R>99.5% @1064T>95% @ 808WS20

Standard Specifications
Coating Adhesion and DurabilityPer MIL-C-675A
Clear Aperture>90% of diameter
Laser Damage Threshold>5 J/cm2 for 10 ns pulses @ 1064 nm

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