Elliptical Mirror, Broadband Dielectric, 33.02 x 46.7 mm, 488-694 nm

The 13E20BD.1 Broadband Dielectric Elliptical Mirror is an extremely versatile mirror for laboratory applications and highly efficient over a broad wavelength range. This 1.30 inch (33.02 mm) minor axis, 1.838 inch (46.70 mm) major axis, elliptical mirror is made from a 9.37 mm thick Borofloat® 33 substrate. Borofloat® 33 has low thermal expansion and is an excellent substrate for most applications. The BD-1 coating is extremely durable and will withstand repeated cleaning. This mirror has a λ/10 substrate surface flatness and a 15-5 surface quality.

Specifications

Technical Specs

Wavelength Region
VIS
Wavelength Range
488-694 nm
Mirror Shape
Elliptical
Mirror Size
33.02 x 46.7 mm
Thickness
9.4 mm
Material
Borofloat® 33
Coating Type
Broadband Dielectric
Coating Code
BD.1
Surface Quality
15-5 scratch-dig
Surface Flatness
λ/10 at 632.8 nm
Substrate Number
13E20
Angle of Incidence
0-45°

Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
Rs (avg)>99%, Rp (ave)>98% @ 488-694 nm
Damage Threshold
500 W/cm² CW, 3 J/cm², 10 ns pulses, 10 Hz, at 532 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
Minor Axis
33.02 mm
Major Axis
46.70 mm

Wavelength Region
VIS
Wavelength Range
488-694 nm
Mirror Shape
Elliptical
Mirror Size
33.02 x 46.7 mm
Thickness
9.4 mm
Material
Borofloat® 33
Coating Type
Broadband Dielectric
Coating Code
BD.1
Surface Quality
15-5 scratch-dig
Surface Flatness
λ/10 at 632.8 nm
Substrate Number
13E20
Angle of Incidence
0-45°

Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
Rs (avg)>99%, Rp (ave)>98% @ 488-694 nm
Damage Threshold
500 W/cm² CW, 3 J/cm², 10 ns pulses, 10 Hz, at 532 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
Minor Axis
33.02 mm
Major Axis
46.70 mm

Resources & Downloads

Other

13E20BD.1 RoHS Certificate(264.3 kB, PDF)
13E20BD.1_ROHS2-2021.pdf(279.6 kB, PDF)
BD.1 Raw Data.xlsx(89.2 kB, XLSX)

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