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Zerodur Broadband Metallic Mirrors

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Overview

Broadband metallic mirrors are excellent general purpose, broadband reflectors covering the UV, visible, and IR. The Zerodur substrate has a nominally zero thermal expansion. This extra stability can be critical for applications requiring diffraction limited performance.

Four metallic coatings cover UV - IR spectral bands
Substrate flatness & surface quality λ/5, 20-10 to λ/20, 10-2
Available in diameter from 25.4 mm to 203.2 mm
Zerodur substrate of nominally zero thermal expansion
Broader bandwidth and less expensive than dielectric coatings
Insensitive to polarization and angle of incidence

See All Features

Products

Compare	Model	Compatibility	rankScore	Wavelength Range	Mirror Size	Thickness	Surface Quality	Surface Flatness	Availability	Price	Brand
10Z20AL.2 UV Aluminum Mirror, Zerodur, 25.4 mm, λ/10, 250-600 nm $131 In Stock	10Z20AL.2 UV Aluminum Mirror, Zerodur, 25.4 mm, λ/10, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$131	Newport
10Z20ER.1 Aluminum Mirror, Zerodur, 25.4 mm, λ/10, 450-700 nm $129 In Stock	10Z20ER.1 Aluminum Mirror, Zerodur, 25.4 mm, λ/10, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$129	Newport
10Z20ER.2 Silver Mirror, Zerodur, 25.4 mm, λ/10, 480-20,000 nm $143 In Stock	10Z20ER.2 Silver Mirror, Zerodur, 25.4 mm, λ/10, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$143	Newport
10Z20ER.4 Gold Mirror, Zerodur, 25.4 mm, λ/10, 650-20,000 nm $149 In Stock	10Z20ER.4 Gold Mirror, Zerodur, 25.4 mm, λ/10, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø25.4 mm	6.0 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$149	Newport
10Z40AL.2 UV Aluminum Mirror, Zerodur, 25.4 mm, λ/20, 250-600 nm $219 In Stock	10Z40AL.2 UV Aluminum Mirror, Zerodur, 25.4 mm, λ/20, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø25.4 mm	6.0 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$219	Newport
10Z40ER.1 Aluminum Mirror, Zerodur, 25.4 mm, λ/20, 450-700 nm $219 In Stock	10Z40ER.1 Aluminum Mirror, Zerodur, 25.4 mm, λ/20, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø25.4 mm	6.0 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$219	Newport
10Z40ER.2 Silver Mirror, Zerodur, 25.4 mm, λ/20, 480-20,000 nm $219 In Stock	10Z40ER.2 Silver Mirror, Zerodur, 25.4 mm, λ/20, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø25.4 mm	6.0 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$219	Newport
10Z40ER.4 Gold Mirror, Zerodur, 25.4 mm, λ/20, 650-20,000 nm $219 In Stock	10Z40ER.4 Gold Mirror, Zerodur, 25.4 mm, λ/20, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø25.4 mm	6.0 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$219	Newport
20Z20AL.2 UV Aluminum Mirror, Zerodur, 50.8 mm, λ/10, 250-600 nm $298 1 Week	20Z20AL.2 UV Aluminum Mirror, Zerodur, 50.8 mm, λ/10, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	1 Week	$298	Newport
20Z20ER.1 Aluminum Mirror, Zerodur, 50.8 mm, λ/10, 450-700 nm $293 In Stock	20Z20ER.1 Aluminum Mirror, Zerodur, 50.8 mm, λ/10, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$293	Newport
20Z20ER.2 Silver Mirror, Zerodur, 50.8 mm, λ/10, 480-20,000 nm $367 Show	20Z20ER.2 Silver Mirror, Zerodur, 50.8 mm, λ/10, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	Show	$367	Newport
20Z20ER.4 Gold Mirror, Zerodur, 50.8 mm, λ/10, 650-20,000 nm $395 In Stock	20Z20ER.4 Gold Mirror, Zerodur, 50.8 mm, λ/10, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø50.8 mm	12.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$395	Newport
20Z40AL.2 UV Aluminum Mirror, Zerodur, 50.8 mm, λ/20, 250-600 nm $494 In Stock	20Z40AL.2 UV Aluminum Mirror, Zerodur, 50.8 mm, λ/20, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø50.8 mm	12.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$494	Newport
20Z40ER.1 Aluminum Mirror, Zerodur, 50.8 mm, λ/20, 450-700 nm $475 In Stock	20Z40ER.1 Aluminum Mirror, Zerodur, 50.8 mm, λ/20, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø50.8 mm	12.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$475	Newport
20Z40ER.2 Silver Mirror, Zerodur, 50.8 mm, λ/20, 480-20,000 nm $517 In Stock	20Z40ER.2 Silver Mirror, Zerodur, 50.8 mm, λ/20, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø50.8 mm	12.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$517	Newport
20Z40ER.4 Gold Mirror, Zerodur, 50.8 mm, λ/20, 650-20,000 nm $529 In Stock	20Z40ER.4 Gold Mirror, Zerodur, 50.8 mm, λ/20, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø50.8 mm	12.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$529	Newport
30Z20ER.1 Aluminum Mirror, Zerodur, 76.2 mm, λ/10, 450-700 nm $716 In Stock	30Z20ER.1 Aluminum Mirror, Zerodur, 76.2 mm, λ/10, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø76.2 mm	14.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$716	Newport
30Z20ER.2 Silver Mirror, Zerodur, 76.2 mm, λ/10, 480-20,000 nm $856 1 Week	30Z20ER.2 Silver Mirror, Zerodur, 76.2 mm, λ/10, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø76.2 mm	14.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	1 Week	$856	Newport
30Z20ER.4 Gold Mirror, Zerodur, 76.2 mm, λ/10, 650-20,000 nm $903 In Stock	30Z20ER.4 Gold Mirror, Zerodur, 76.2 mm, λ/10, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø76.2 mm	14.7 mm	15-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$903	Newport
30Z40ER.1 Aluminum Mirror, Zerodur, 76.2 mm, λ/20, 450-700 nm $935 In Stock	30Z40ER.1 Aluminum Mirror, Zerodur, 76.2 mm, λ/20, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø76.2 mm	14.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$935	Newport
30Z40ER.2 Silver Mirror, Zerodur, 76.2 mm, λ/20, 480-20,000 nm $1,090 In Stock	30Z40ER.2 Silver Mirror, Zerodur, 76.2 mm, λ/20, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø76.2 mm	14.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$1,090	Newport
30Z40ER.4 Gold Mirror, Zerodur, 76.2 mm, λ/20, 650-20,000 nm $1,125 In Stock	30Z40ER.4 Gold Mirror, Zerodur, 76.2 mm, λ/20, 650-20,000 nm	UNIVERSAL	1.0	650-20000 nm	Ø76.2 mm	14.7 mm	10-2 scratch-dig	λ/20 at 632.8 nm	In Stock	$1,125	Newport
40Z20ER.1 Aluminum Mirror, Zerodur, 101.6 mm, λ/10, 450-700 nm $1,331 In Stock	40Z20ER.1 Aluminum Mirror, Zerodur, 101.6 mm, λ/10, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø101.6 mm	17.7 mm	20-10 scratch-dig	λ/10 at 632.8 nm	In Stock	$1,331	Newport
40Z20ER.2 Silver Mirror, Zerodur, 101.6 mm, λ/10, 480-20,000 nm $1,499 In Stock	40Z20ER.2 Silver Mirror, Zerodur, 101.6 mm, λ/10, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø101.6 mm	17.7 mm	20-10 scratch-dig	λ/10 at 632.8 nm	In Stock	$1,499	Newport
40Z40AL.2 UV Aluminum Mirror, Zerodur, 101.6 mm, λ/20, 250-600 nm $1,559 In Stock	40Z40AL.2 UV Aluminum Mirror, Zerodur, 101.6 mm, λ/20, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø101.6 mm	17.7 mm	10-5 scratch-dig	λ/20 at 632.8 nm	In Stock	$1,559	Newport
40Z40ER.1 Aluminum Mirror, Zerodur, 101.6 mm, λ/20, 450-700 nm $1,823 In Stock	40Z40ER.1 Aluminum Mirror, Zerodur, 101.6 mm, λ/20, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø101.6 mm	17.7 mm	10-5 scratch-dig	λ/20 at 632.8 nm	In Stock	$1,823	Newport
40Z40ER.2 Silver Mirror, Zerodur, 101.6 mm, λ/20, 480-20,000 nm $1,975 In Stock	40Z40ER.2 Silver Mirror, Zerodur, 101.6 mm, λ/20, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø101.6 mm	17.7 mm	10-5 scratch-dig	λ/20 at 632.8 nm	In Stock	$1,975	Newport
60Z20ER.2 Silver Mirror, Zerodur, 152.4 mm, λ/10, 480-20,000nm $4,556 In Stock	60Z20ER.2 Silver Mirror, Zerodur, 152.4 mm, λ/10, 480-20,000nm	UNIVERSAL	1.0	480-20000 nm	Ø152.4 mm	23.5 mm	20-10 scratch-dig	λ/10 at 632.8 nm	In Stock	$4,556	Newport
60Z40AL.2 UV Aluminum Mirror, Zerodur, 152.4 mm, λ/20, 250-600 nm $4,555 1 Week	60Z40AL.2 UV Aluminum Mirror, Zerodur, 152.4 mm, λ/20, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø152.4 mm	23.5 mm	10-5 scratch-dig	λ/20 at 632.8 nm	1 Week	$4,555	Newport
60Z40ER.1 Aluminum Mirror, Zerodur, 152.4 mm, λ/20, 450-700 nm $4,534 In Stock	60Z40ER.1 Aluminum Mirror, Zerodur, 152.4 mm, λ/20, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø152.4 mm	23.5 mm	10-5 scratch-dig	λ/20 at 632.8 nm	In Stock	$4,534	Newport
60Z40ER.2 Silver Mirror, Zerodur, 152.4 mm, λ/20, 480-20,000 nm $6,236 In Stock	60Z40ER.2 Silver Mirror, Zerodur, 152.4 mm, λ/20, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø152.4 mm	23.5 mm	10-5 scratch-dig	λ/20 at 632.8 nm	In Stock	$6,236	Newport
80Z10ER.1 Aluminum Mirror, Zerodur, 203.2 mm, λ/5, 450-700 nm $7,421 In Stock	80Z10ER.1 Aluminum Mirror, Zerodur, 203.2 mm, λ/5, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø203.2 mm	29.5 mm	20-10 scratch-dig	λ/5 at 632.8 nm	In Stock	$7,421	Newport
80Z20AL.2 UV Aluminum Mirror, Zerodur, Ø203.2 mm, λ/10, 250-600 nm $9,836 In Stock	80Z20AL.2 UV Aluminum Mirror, Zerodur, Ø203.2 mm, λ/10, 250-600 nm	UNIVERSAL	1.0	250-600 nm	Ø203.2 mm	29.5 mm	10-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$9,836	Newport
80Z20ER.1 Aluminum Mirror, Zerodur, 203.2 mm, λ/10, 450-700 nm $9,779 In Stock	80Z20ER.1 Aluminum Mirror, Zerodur, 203.2 mm, λ/10, 450-700 nm	UNIVERSAL	1.0	450-700 nm	Ø203.2 mm	29.5 mm	10-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$9,779	Newport
80Z20ER.2 Silver Mirror, Zerodur, 203.2 mm, λ/10, 480-20,000 nm $11,480 In Stock	80Z20ER.2 Silver Mirror, Zerodur, 203.2 mm, λ/10, 480-20,000 nm	UNIVERSAL	1.0	480-20000 nm	Ø203.2 mm	29.5 mm	10-5 scratch-dig	λ/10 at 632.8 nm	In Stock	$11,480	Newport

Show All

Specifications

Wavelength Region

250-600 nm, 450-700 nm, 480-20000 nm, 650-20000 nm
Mirror Shape

Round
Diameter

25.4 mm, 50.8 mm, 76.2 mm, 101.6 mm, 152.4 mm, 203.2 mm
Thickness

6.0 mm, 12.7 mm, 14.7 mm, 17.7 mm, 23.5 mm, 29.5 mm

Material

Zerodur
Angle of Incidence

0-45°
Clear Aperture

≥central 80% of diameter
Cleaning

See How to Clean Optics

Features

Zerodur® Substrates

Zerodur® is a unique glass-ceramic material with a nearly zero coefficient of thermal expansion and excellent homogeneity of this coefficient throughout its entire piece. It is the best choice when extreme thermal stability is required or for environments with large temperature fluctuations. For more information, please see our Optical Materials technical note.

Enhanced Aluminum UV Coating

Our AL.2 UV enhanced aluminum coating is a durable, broadband UV reflector with average reflectivity greater than 90% from 250 – 600 nm. The aluminum film is overcoated with UV transparent magnesium fluoride to prevent oxidation of the metal.

Enhanced Aluminum VIS-NIR Coating

Our ER.1 enhanced aluminum coating may be used wherever a broadband visible and near infrared reflector is needed. A multilayer dielectric stack deposited over the aluminum film boosts reflectance and improves the durability of the coating. Average reflectivity is greater than 93% from 450-700 nm.

Protected Silver VIS-IR Coating

Our ER.2 protected silver coating is composed of a low emissivity silver film fully encapsulated by a multilayer dielectric stack to prevent oxidation. This coating has excellent broadband reflectivity in the IR, while maintaining very good performance in the visible and near IR. Average reflectivity is greater than 96% from 480 – 1100 nm and greater than 98.5% from 1.1 – 20 µm. This silver mirror is a favorite for Ultrafast scientists who want an inexpensive option.

Protected Gold NIR-IR Coating

Our ER.4 protected gold coating is ideal for applications requiring broadband reflectance in the near IR to the far IR. A multilayer dielectric overcoat provides protection to the gold from the environment. Average reflectivity is greater than 96% from 650 – 1700 nm and greater than 98% from 1.7 – 2.0 µm.