Dielectric Mirror, ValuMax, Borofloat, 50.8 mm Square, 700-950 nm

Economy Square Broadband Dielectric Mirrors

The 20SD520BD.2 is a ValuMax^® Dielectric Near Infrared Broadband Mirror 50.8 x 50.8 mm square, with a thickness of 12.0 mm, and flatness of λ/10. By taking advantage of advanced polishing techniques and our high volume manufacturing, ValuMax^® mirrors are truly cost effective. This family of mirrors boasts seven standard metallic and dielectric broadband coatings, covering the UV, visible, and IR

Specifications

Technical Specs

Wavelength Region
NIR
Wavelength Range
700-950 nm
Mirror Shape
Square
Mirror Size
50.8 x 50.8 mm
Thickness
12.7 mm
Material
Borofloat® 33
Coating Type
Broadband Dielectric
Coating Code
BD.2
Surface Quality
60-40 scratch-dig
Surface Flatness
λ/10 at 632.8 nm
Substrate Number
20SD520

Angle of Incidence
0-45°
Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
R_s,avg>99%, R_p,avg>97% @ 700-950 nm
Damage Threshold
1000 W/cm² CW, 4 J/cm², 10 ns pulses, 10 Hz, at 800 nm
Thickness Tolerance
±0.25 mm
Chamfers
0.38-1.14 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Wavelength Region
NIR
Wavelength Range
700-950 nm
Mirror Shape
Square
Mirror Size
50.8 x 50.8 mm
Thickness
12.7 mm
Material
Borofloat® 33
Coating Type
Broadband Dielectric
Coating Code
BD.2
Surface Quality
60-40 scratch-dig
Surface Flatness
λ/10 at 632.8 nm
Substrate Number
20SD520

Angle of Incidence
0-45°
Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
R_s,avg>99%, R_p,avg>97% @ 700-950 nm
Damage Threshold
1000 W/cm² CW, 4 J/cm², 10 ns pulses, 10 Hz, at 800 nm
Thickness Tolerance
±0.25 mm
Chamfers
0.38-1.14 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

Other

20SD520BD.2 RoHS Certificate(701.9 kB, PDF)
BD.2 Raw Data.xlsx(82.6 kB, XLSX)

2D Product Drawings

SD520BD Series Drawing(82.4 kB, PDF)

Related Products

Similar

Description	Compatibility	Avail.	Price
10D620BD.2Dielectric Mirror, ValuMax, Borofloat, 25.4 mm, 700-950 nm	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$77
10Z20BD.2Dielectric Mirror, Broadband, Zerodur, 25.4 mm, λ/10, 700-950 nm	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$167
10SD520BD.2Dielectric Mirror, ValuMax, Borofloat, 25.4 mm Square, 700-950 nm	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$110

Need help?

Contact an Applications Specialist by sending us an email