Off-Axis Parabolic Mirror

Off-Axis Parabolic Mirror

Supplier
Ytgd
Category
Optical Mirrors
Origin
China

An off-axis parabolic mirror is a segment taken from a parent paraboloid. It focuses collimated light or collimates a point source without aberration and is widely used for femtosecond laser focusing and astronomical telescope calibration.

Specification Snapshot
Diameter
15–60 mm
Thickness
0.15–25 mm
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Overview

An off-axis parabolic mirror is a segment taken from a parent paraboloid. It focuses collimated light or collimates a point source without aberration and is widely used for femtosecond laser focusing and astronomical telescope calibration.

Specifications

ParameterValue
SubstrateOptical Glass / Fused Silica / Si / SiC
Diameter15–60 mm
Thickness0.15–25 mm
Best Irregularity [P-V]λ/5
Best Irregularity [RMS]λ/20
Best Surface Quality20/10
Best Roughness Ra0.5 nm
CoatingMetal Coating with SiO₂ Protection; Dielectric Coating on Customization

Key Features

Metal coatings: advantages include a broad spectrum from ultraviolet to infrared and low cost; disadvantages include lower reflectance (>90%), a low damage threshold and susceptibility to physical damage, requiring a protective layer. Dielectric coatings: advantages include high reflectance (>99%), a high damage threshold and operation at a specified laser band or bandwidth; disadvantages include a narrow spectrum and higher cost.

Datasheet

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Supplier Information

Yangtian Optoelectronics is a high-tech enterprise established in 2019, focusing on the design and manufacturing of optical components. Headquartered in Changchun City, Jilin Province, the birthplace of optics in China. Yangtian Optoelectronics adheres to the attitude of "striving for the highest product quality and pursuing customer satisfaction in service", and with an excellent reputation, has achieved deep cooperation with enterprises from various countries around the world. The company has senior engineers (professors, doctors, postgraduates, senior technicians, etc.) accounting for more than 10% of the total number of employees, and continuously promotes school-enterprise cooperation, established a research and development center with Changchun Institute of Technology, and set up branches in Siping and Shandong respectively. The company has more than 20 intellectual property rights, including various patents and copyrights. Obtained various government certifications.

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Off-Axis Parabolic Mirror
Ytgd · Optical Mirrors
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