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High Reflective Coatings
Now PHOTOP can provide all kinds of high reflective coatings as follows:
Dielectric High Reflective Coatings
Metallic High Reflective Coatings
Diode Pumped Laser Optics Coatings
DHR coating is designed to produce very high relfection(more than 99.8% at designed wavelength). They are
generally used in a single wavelength laser cavity where the lowest cavity loss at a center wavelength is essential.
PHOTOP can provide such coating with center wavelength from 250 to 2200nm according to customer's
requirement.
Dielectric High Reflective Coatings (DHR):
Wavelength (nm)
400 500 600 700 800 900
0.0
R
ef
lectan
ce (%
)
20.0
40.0
60.0
80.0
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
Polarization:
First Surface:
White
AIR
Glass
Glass
0.0 (deg)
1500.0 (nm)
Ave
Front
R>99.8%@1064nm
1000 1100 1200
Wavelength (nm)
1400 1450 1500 1550
99.4
R
ef
lectan
ce (%
)
99.5
99.6
99.7
99.8
1600
100.0
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
Polarization:
First Surface:
White
AIR
Glass
Glass
0.0 (deg)
1500.0 (nm)
Ave
Front
R>99.8%@1500nm
99.9
100.0
Co
atin
gC
oatin
g
2008Rev.A
253 Fuxin East Road, Fuzhou, Fujian 350014 P.R. China Tel: +86-591-83610157/ 83610592
Fax: +86-591-83610136 E-mail: [email protected] www.photoptech.com/optics
PHOTOP provides metallic high reflective coatings by material of Au, Ag, Al, Cr, and Ni-Cr. Their
reflectivity is not higher than dielectrics HR coatings, but their HR spectrum can be over near-UV, visible and
near-IR. These coatings are applied to where a consistent high reflection in a wide spectral rang is necessary.
In order to prevent these metallic coatings from oxidization, these coatings have been deposited on a layer of
dielectrics coating.
Metallic High Reflective Coatings (MHR):
Wavelength (nm)
400 500 600 800
60
R
ef
lectan
ce (%
)
70
80
90
700 900
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
First Surface:
White
AIR
Glass
Glass
22.5 (deg)
550.0 (nm)
Front
R >95%@450-12000nm
(Protected-Silver)
avg
R >98%@2000-12000nm
(Protected-Gold)
avg
1000
100
50
Wavelength (nm)
400 500 600 800
60
R
ef
lectan
ce (%
)
70
80
90
700 900
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
First Surface:
White
AIR
Glass
Glass
22.5 (deg)
550.0 (nm)
Front
R >87%@400-1200nm
(Protected-Al)
avg
R >93%@400-1200nm
(Enhanced-Al)
avg
1000
100
50
Protected-Gold
Protected-Silver
Enhanced-Al
Protected-Al
Co
atin
gC
oatin
g
2008Rev.A
253 Fuxin East Road, Fuzhou, Fujian 350014 P.R. China Tel: +86-591-83610157/ 83610592
Fax: +86-591-83610136 E-mail: [email protected] www.photoptech.com/optics
PHOTOP provides the following coatings for the Nd-Laser applications. These coatings are deposited on
substrates of BBO, KTP, Nd:YVO , Nd:YAG and BK7 and mainly used to Nd Laser and their harmonic
generation.
4
Diode Pumped Laser Optics Coatings (DPC):
Wavelength (nm)
500 600 700 800 1000 1100
0.0
R
ef
lecta
n
ce (%
)
20.0
40.0
60.0
80.0
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
Polarization:
First Surface:
White
AIR
KTP
0.0 (deg)
1230.0 (nm)
Ave
Front
KTP
R>99.8%@1064nm
100.0
R<5.0%@532nm
900
HR@1064nm&HT@532nm on KTP
Wavelength (nm)
500 600 700 800 1000 1100
R
ef
lecta
n
ce (%
)
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
Polarization:
First Surface:
White
AIR
Nd:
Nd:
0.0 (deg)
1555.0 (nm)
Ave
Front
YVO
YVO
4
4
R>99.8%@1064nm
R>95.0%@532nm
900
HR@1064nm&532nm, HT@808nm on Nd:YVO
4
R<5.0%@808nm
Wavelength (nm)
750 800 850 900 1000 1050
R
ef
lecta
n
ce (%
)
Illuminant:
Medium:
Substrate:
Exit:
Angle:
Reference:
Polarization:
First Surface:
White
AIR
Nd:
Nd:
0.0 (deg)
1310.0 (nm)
Ave
Front
YVO
YVO
4
4
R>99.8%@1064nm
R<5.0%@808nm
950
HR@1064nm&HT@808nm on Nd:YVO
4
1100
0.0
20.0
40.0
60.0
80.0
100.0
0.0
20.0
40.0
60.0
80.0
100.0
Co
atin
gC
oatin
g
2008Rev.A
253 Fuxin East Road, Fuzhou, Fujian 350014 P.R. China Tel: +86-591-83610157/ 83610592
Fax: +86-591-83610136 E-mail: [email protected] www.photoptech.com/optics
