Borofloat 33 Broadband Dielectric Mirrors

Borofloat 33 glass broadband mirrors offer durable all dielectric coatings designed for popular applications such as spectroscopy, microscopy, and general laboratory applications.

R_{S, avg}>99% @ 488-694 nm or 700-950 nm
Substrate flatness & surface quality λ/2, 40-20 to λ/10, 15-5
Available in diameter from 12.7 mm to 203.2 mm
Special high damage threshold all dielectric coating
Ideal for spectroscopy, microscopy and general lab use
Cost saving 10-pack available

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Showing 28 of 28 total products

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Description	Compatibility	Wavelength Range	Mirror Size	Thickness	Surface Quality	Surface Flatness	Price
05D20BD.1Dielectric Mirror, Broadband, 12.7 mm Diameter, 488-694 nm	UNIVERSAL	488-694 nm	Ø12.7 mm	3.1 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$77
05D20BD.1-PKDielectric Mirror Pack, Broadband, 12.7 mm, 488-694 nm, Qty 10	UNIVERSAL	488-694 nm	Ø12.7 mm	3.1 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$690
05D20BD.2Dielectric Mirror, Broadband, 12.7 mm Diameter, 700-950 nm	UNIVERSAL	700-950 nm	Ø12.7 mm	3.1 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$79
05D20BD.2-PKDielectric Mirror Pack, Broadband, 12.7 mm, 700-950 nm, Qty 10	UNIVERSAL	700-950 nm	Ø12.7 mm	3.1 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$709
07D20BD.1Dielectric Mirror, Broadband, 19.05 mm Diameter, 488-694 nm	UNIVERSAL	488-694 nm	Ø19.05 mm	4.57 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$93
07D20BD.2Dielectric Mirror, Broadband, 19.05 mm Diameter, 700-950 nm	UNIVERSAL	700-950 nm	Ø19.05 mm	4.57 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$98
10D20BD.1Dielectric Mirror, Broadband, 25.4 mm Diameter, 488-694 nm	UNIVERSAL	488-694 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$97
10D20BD.1-PKDielectric Mirror Pack, Broadband, 25.4 mm, 488-694 nm, Qty 10	UNIVERSAL	488-694 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$869
10D20BD.2Dielectric Mirror, Broadband, 25.4 mm Diameter, 700-950 nm	UNIVERSAL	700-950 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$103
10D20BD.2-PKDielectric Mirror, Broadband,25.4 mm, 700-950 nm, Qty 10	UNIVERSAL	700-950 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$926
20D20BD.1Dielectric Mirror, Broadband, Borofloat, 50.8 mm, 488-694 nm	UNIVERSAL	488-694 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$222
20D20BD.2Dielectric Mirror, Broadband, 50.8 mm, 700-950 nm	UNIVERSAL	700-950 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$249
30D20BD.1Dielectric Mirror, Broadband, 76.2 mm, λ/10, 488-694 nm	UNIVERSAL	488-694 nm	Ø76.2 mm	14.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$604
30D20BD.2Dielectric Mirror, Broadband, 76.2 mm, 700-950 nm	UNIVERSAL	700-950 nm	Ø76.2 mm	14.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$695
3MD20BD.1Dielectric Mirror, Broadband, 30.0 mm, 488-694 nm	UNIVERSAL	488-694 nm	Ø30.0 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$157
3MD20BD.2Dielectric Mirror, Broadband, 30.0 mm, 700-950 nm	UNIVERSAL	700-950 nm	Ø30.0 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$180
40D20BD.1Dielectric Mirror, Broadband, 101.6 mm, 488-694 nm	UNIVERSAL	488-694 nm	Ø101.6 mm	17.7 mm	20-10 scratch-dig	λ/10 at 632.8 nm	$1,118
40D20BD.2Dielectric Mirror, Broadband, 101.6 mm, 700-950 nm	UNIVERSAL	700-950 nm	Ø101.6 mm	17.7 mm	20-10 scratch-dig	λ/10 at 632.8 nm	$1,343
5100NFUV Dielectric Mirror, 1.0 in. Diameter, 300-550 nm	UNIVERSAL	300-550 nm	Ø25.4 mm	8.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$203
5101VIS Dielectric Mirror, 1.0 in. Diameter, 450-700 nm	UNIVERSAL	450-700 nm	Ø25.4 mm	8.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$133
5102NIR Dielectric Mirror, 1.0 in. Diameter, 700-900 nm	UNIVERSAL	700-900 nm	Ø25.4 mm	8.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$137
5120UV Dielectric Mirror, 2.0 in. Diameter, 300-550 nm	UNIVERSAL	300-550 nm	Ø50.8 mm	12.5 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$482
5121VIS Dielectric Mirror, 2.0 in. Diameter, 450-700 nm	UNIVERSAL	450-700 nm	Ø50.8 mm	12.5 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$316
5150UV Dielectric Mirror, 0.5 in. Diameter, 300-550 nm	UNIVERSAL	300-550 nm	Ø12.7 mm	5.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$149
5151VIS Dielectric Mirror, 0.5 in. Diameter, 450-700 nm	UNIVERSAL	450-700 nm	Ø12.7 mm	5.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$90
5152NIR Dielectric Mirror, 0.5 in. Diameter, 700-900 nm	UNIVERSAL	700-900 nm	Ø12.7 mm	5.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	$137
60D20BD.1Dielectric Mirror, Broadband, 152.4 mm, 488-694 nm	UNIVERSAL	488-694 nm	Ø152.4 mm	23.5 mm	20-10 scratch-dig	λ/10 at 632.8 nm	$2,477
60D20BD.2Dielectric Mirror, Broadband, 152.4 mm, 700-950 nm	UNIVERSAL	700-950 nm	Ø152.4 mm	23.5 mm	20-10 scratch-dig	λ/10 at 632.8 nm	$2,638

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Notes:

For all cost-saving 10 packs, click here
Square mirror, elliptical mirror, and D-shaped mirror are also available.

Specifications

Wavelength Range
BD1: 488-694 nm, BD.2: 700-950 nm
Mirror Shape
Round
Diameter
12.7 mm, 19.05 mm, 25.4 mm, 30.0 mm, 50.8 mm, 76.2 mm, 101.6 mm, 152.4 mm, 203.2 mm
Material
Borofloat 33
Angle of Incidence
0-45°

Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Damage Threshold
BD.1: 500 W/cm² CW, 3 J/cm² @ 10 ns, 10 Hz, 532 nm
BD.2: 1000 W/cm² CW, 4 J/cm² @ 10 ns, 10 Hz, 800 nm
Cleaning
See How to Clean Optics

Features

Borofloat® 33 Substrates

Borofloat 33 is a high quality borosilicate glass that offers low thermal expansion and high thermal shock resistance. Its material properties and moderate cost make Borofloat 33 an ideal substrate for general purpose applications. For more information, please see our Optical Materials technical note.

Visible Broadband Dielectric Coating

Our BD.1 visible broadband dielectric coating reflects all visible laser lines in the range of 488 to 694 nm with greater than 99% efficiency for s-polarization and 98% for p-polarization at 0 - 45° angle of incidence.

NIR Broadband Dielectric Coating

Our BD.2 coating offers high reflectance for near infrared diode laser applications. Reflectivity is greater than 99% for s-polarization and 97% for p-polarization from 700 – 950 nm at 0 – 45° angle of incidence. Greater than 80% average reflectivity at 632.8 nm is also provided to permit easy alignment using a HeNe laser.

New Focus 51X0 Broadband Dielectric Coating

The New Focus 51X0 broadband dielectric coating reflects wavelengths between 300 to 320 nm with greater than 97% efficiency, 320 to 420 nm with greater than 98% efficiency, and 420-530 nm with greater than 99% efficiency for s-polarization and p-polarization at 0 - 45° angle of incidence.

New Focus 51X1 Broadband Dielectric Coating

The New Focus 51X1 broadband dielectric coating reflects all wavelengths in the range of 450 to 700 nm with greater than 99% efficiency for s-polarization and p-polarization at 0 - 45° angle of incidence.

New Focus 51X2 Broadband Dielectric Coating

The New Focus 51X2 broadband dielectric coating reflects all wavelengths in the range of 700 to 900 nm with greater than 99% efficiency for s-polarization and p-polarization at 0 - 45° angle of incidence.

SAVE by purchasing a pack of 10!

A convenient pack of ten mirrors is also offered at a discount for customers outfitting new laboratories or new research applications.

Accessories

Cost-Saving 10 Packs

Buy 9 get 1 free when you choose to buy our popular 10 packs.

Description	Compatibility	Price
05D20BD.1-PKDielectric Mirror Pack, Broadband, 12.7 mm, 488-694 nm, Qty 10	UNIVERSAL	$690
05D20BD.2-PKDielectric Mirror Pack, Broadband, 12.7 mm, 700-950 nm, Qty 10	UNIVERSAL	$709
10D20BD.1-PKDielectric Mirror Pack, Broadband, 25.4 mm, 488-694 nm, Qty 10	UNIVERSAL	$869
10D20BD.2-PKDielectric Mirror, Broadband,25.4 mm, 700-950 nm, Qty 10	UNIVERSAL	$926