Optical Coating

  • ● IAD deposition
  • ● 60 points optical control system
  • ● RF ion source
  • ● Automatic Control
  • ● E-type double EB gun
  • ● 6 pieces rotation crystal control system

Key Specifications

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Anti-reflection Coating

● High transmittance at target wavelength range    ● Low reflection    ● From DUV to Infrared band

● Low absorption at PPM level    ● High damage threshold    ● Customizable


Coating Category

Wavelength Range(nm)

AOI (°)

Reflectance (%)

UV single wavelength AR  coating

266

0-15°

R < 0.2%

UV single wavelength AR  coating

355

0-10°

R < 0.2%

DUV AR coating

247-250

0-15°

R < 0.2%

Broadband AR coating

380-480

0-30°

R < 0.5%

Dual wavelength AR coating

355+532

0-15°

R < 0.5%

Dual wavelength AR coating

532+1064

R < 0.2%

Broadband AR coating

770-1070

0-30°

R < 0.5%

Broadband AR coating

1530-1570

0-20°

R < 0.2%

Broadband AR coating

1700-2500

0-30°

R < 0.5%

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High-reflection Coating

● High reflection at target wavelength range and incident angle

● Metal and dielectric medium can be selected    ● High damage threshold    ● Customizable


Coating Category

Wavelength Range(nm)

AOI (°)

Reflectance (%)

Single wavelength HR  coating

355

45°

> 99.5%

Single wavelength HR  coating

266

45°

> 99.5%

Dual wavelength HR coating

343/532

40°

> 60%/99%

Dual wavelength HR coating

633/1064

45°

> 80%/99.5%

Broadband HR coating

440-540

> 99.5%

Broadband HR coating

630-690

40°-50°

> 99%

Broadband HR coating

1020-1085

43-47°

> 99.8%

Broadband HR coating

1450-1550

44-46°

> 99.5%

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Beam Splitter Coating

● High spectral accuracy    ● Metal and dielectric medium can be selected    ● Customizable


Coating Category

Wavelength Range(nm)

AOI (°)

Technical Specification

Metal-dielectric beam splitter

850±5

T:R=1:1

Single beam splitter

1064

T/R=40/60; T/R=50/50; T/R=30/70

Broadband beam splitter

500-700

T/R=50/50

Flat polarization beam splitter

1064

56°

Tp > 95%;  Rs > 99%;  Tp/Ts>100:1

Prism polarization beam splitter

532

45°

Tp > 98%;  Rs > 99.5%;  Tp/Ts>1000:1

Flat depolarization beam splitter

532

45°

T/R=48:48; |Rs-Rp| < 5%

Prism depolarization beam splitter

700-1000

45°

T/R=45:45; |Rs-Rp| < 5%

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Filter Coating

● High passband transmittance    ● High OD degree    ● High stability    ● WDM is available     Customizable


Coating Category

Technical Specification

Cut-off filter

Passband transmittance T > 90%

The cut-off range can be based on customer requirements

Cut off depth OD3

Band-pass filter

CWL: 488nm/905nm/1064nm/1545nm/1575nm

FWHM:10nm-200nm

Peak transmittance > 75%; Cut off depth OD3

The cut-off range can be based on customer requirements

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Applications

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