Gold-Coated Off-Axis Parabolic Mirror TJFSGXLZPWMFSJ2010007

Gold-Coated Off-Axis Parabolic Mirror TJFSGXLZPWMFSJ2010007

Supplier
Fushioptic
Part Number
TJFSGXLZPWMFSJ2010007
Category
Optical Mirrors
Origin
China

Off-axis parabolic (GMP) mirrors are front-surface mirrors whose reflecting surfaces are sections cut from a symmetric parent paraboloid. A highly reflective metallic coating enables dispersion-free focusing of collimated beams or collimation of point sources. The off-axis design separates incident and outgoing beams by a certain angle. An Off-Axis Parabolic Mirror (OAP) is an off-axis segment of a parabolic mirror with its optical axis separated from its geometric center. Key geometric parameters are stated in the source as: parent paraboloid focal length f=2R, where R is the vertex radius of curvature; off-axis distance d=f⋅tanθ, where θ is the off-axis angle; effective focal length EFL=2cosθf. Note: the table above shows only some mirror dimensions and parameters. Custom dimensions and parameters are supported.

Specification Snapshot
Diameter
50.8 mm
Height
62.8 mm
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Overview

Off-axis parabolic (GMP) mirrors are front-surface mirrors whose reflecting surfaces are sections cut from a symmetric parent paraboloid. A highly reflective metallic coating enables dispersion-free focusing of collimated beams or collimation of point sources. The off-axis design separates incident and outgoing beams by a certain angle. An Off-Axis Parabolic Mirror (OAP) is an off-axis segment of a parabolic mirror with its optical axis separated from its geometric center. Key geometric parameters are stated in the source as: parent paraboloid focal length f=2R, where R is the vertex radius of curvature; off-axis distance d=f⋅tanθ, where θ is the off-axis angle; effective focal length EFL=2cosθf. Note: the table above shows only some mirror dimensions and parameters. Custom dimensions and parameters are supported.

Specifications

ParameterValue
Surface Figure Accuracy [Range; inspection standard: ISO 10110-5]typical:λ/2~λ/20 (PV Value @632.8nm)
Off-Axis Angle Tolerance [Range; inspection standard: MIL-STD-810G]typical:±0.5 arcmin
Focal Length Error [Range; inspection standard: DIN 3140]typical:±0.1%
Surface Roughness [Range; inspection standard: ISO 4287]typical:<0.5nm Ra
Coating reflectance [Range; inspection standard: ASTM E903]typical:>98% (Metallic Coating)/>99% (Dielectric Coating)
Diameter50.8 mm
Focal length (EFL)101.6 mm
CoatingGold High-Reflection Coating
MaterialAL6061
Reflecting Surface Quality40/20
Height62.8 mm
Hole patternThrough-Hole

Applications

James Webb Telescope: near-infrared spectrometer calibration, off-axis angle 25°, surface accuracy λ/20@633nm. Gravitational-wave detection: LIGO mirror assemblies, off-axis distance 150mm, scatter loss <10ppm. Collimation/focusing: collimate divergent lasers or focus in reverse. Beam steering: large-angle aberration-free deflection, as in laser communication terminals. Fourier spectrometers: off-axis paraboloids eliminate spherical aberration and coma. Synchrotron beamlines: focus X-rays/extreme ultraviolet.

Key Features

Asymmetric Surface: No Rotational Symmetry, Requiring Strict Definition of Off-Axis Angle; Unobscured Design Eliminates Central Obstruction of Conventional Parabolic Mirrors; Precise Focusing of Parallel Light to an Aberration-Free Point, or Vice Versa.

Datasheet

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Supplier Information

Fu
Fushioptic
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Tianjin Fushi Optical Technology Co., Ltd., established in 2012, integrates the development, production and sales of precision optical components, diffraction grating technology and high-precision processing of optical glass. Our products include diffraction gratings, optical lenses, prisms, mirrors, windows, cylindrical lenses, etc., widely used in scientific research, medical, industrial and other fields. With core capability in independent R&D of grating masters, we can quickly respond to market demands, providing high-quality and cost-effective optical solutions. Adhering to the philosophy of "technology as foundation, quality for the future", we are committed to becoming a globally trusted and respected optical enterprise.

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Gold-Coated Off-Axis Parabolic Mirror TJFSGXLZPWMFSJ2010007
Fushioptic · Optical Mirrors
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