Gold-Coated Mirror

Gold-Coated Mirror

Supplier
Ootee
Category
Optical Mirrors
Origin
China

Metal mirrors have the advantages of high reflectivity, cut-off bandwidth, good neutrality and small polarization effect in a wide wavelength range. The strength and stability of the gold film are better than those of other metals. Gold-coated mirrors on the surface have high reflectivity and are often used as infrared reflectors

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Overview

Metal mirrors have the advantages of high reflectivity, cut-off bandwidth, good neutrality and small polarization effect in a wide wavelength range. The strength and stability of the gold film are better than those of other metals. Gold-coated reflectors have high reflectivity and are often used as infrared reflectors. Gold-coated mirrors have a very high reflectivity in the near infrared, with an average reflectivity Ravg>96% in the range of 800-2000um. Since the gold film is relatively soft and easy to scratch, the outermost layers of these mirrors are coated with a 100nm thick SiO2 film. The window with a gold film on the edge can be directly welded or connected to the optical mechanical device to seal the two. Gold film windows are widely used in infrared imaging systems and medical equipment. Characteristics of gold-plated mirrors: 1. High reflectivity in the near-infrared band 2. The outermost layer is coated with SiO2 protective layer to prevent oxidation and increase strength 3. Square or round lenses can be customized

Specifications

ParameterValue
Dimension Deviation±0.05 mm
Angle Error<3 arc min
Surface Figure Accuracyλ/4@ 633nm or λ/10@633nm
Surface Quality60/40 or 20/10mm
Effective Aperture90%
Bevel<0.2 45°

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Supplier Information

Jiangxi Ootee Optics Co., Ltd. is a high-tech enterprise specializing in the production and sales of precision optical components, with complete production lines for cold processing of flat mirrors, cold processing of spherical mirrors, cold processing of cylindrical mirrors, aspheric processing, and optical coating. The production technology of infrared optical components is mature, capable of small-batch trial production and large-scale production. It has the capability of optical application design and coating design, providing customers with comprehensive and reasonable product solutions. Advanced testing technology is the foundation of quality assurance. Our company is mainly equipped with spectrophotometers, laser interferometers, image measuring instruments, Fourier transform infrared spectrometers and other testing equipment to ensure the accuracy of products in terms of dimensions, surface accuracy, radius of curvature, focal length, coating indicators, surface measurement, etc.

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