Off-axis parabolic mirror

Off-axis parabolic mirror

Supplier
Zeit-group
Category
Optical Mirrors
Origin
China

An off-axis parabolic mirror (OAP) is a first-surface mirror whose reflecting surface is a segment of a parent paraboloid.

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Overview

An off-axis parabolic mirror (OAP) is a first-surface mirror whose reflecting surface is a segment of a parent paraboloid. It retains the parent paraboloid's ability to focus a collimated beam or collimate a broadband point source without chromatic aberration. The off-axis design spatially separates the focus from the beam path. Its all-reflective design eliminates phase delay and absorption losses introduced by transmissive optics, and a single mirror covers visible and near-infrared wavelengths. The angle between the focused and collimated beams, called the off-axis angle, is 90°. The collimated beam axis should be perpendicular to the base for optimal focusing. The machined parabolic surface has a protected aluminum coating providing average reflectance >90% over the design wavelength range.

Specifications

ParameterValue
MaterialVarious Optical Materials
Optical CoatingReflective Coating
Surface Figure Accuracy Dimensions [632.8nm]λ/10
Surface Quality40-20
Dimensional Tolerance±0.01mm
Measurement Wavelength632.8nm

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Supplier Information

Ze
Zeit-group
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Chengdu Zhongke Zhuoer Intelligent Technology Group Co., Ltd. is a leading enterprise in the field of optics and semiconductors, recognized as a National High-Tech Enterprise, a Sichuan Province “Specialized, Refined, Distinctive, and Innovative” “Little Giant” Enterprise, a Chengdu New Economy “Double Hundred” Enterprise, and a Chengdu High-Tech Zone “Four Categories of High-Level Talent” Enterprise. Leveraging its exceptional technical capabilities—including independent R&D, patented technologies, and technological innovation—the company has achieved breakthroughs in ultra-precision polishing, precision inspection, and coating processes in the chip and display sectors. Its key products include high-end quartz blank masks, precision optical components and active devices, precision inspection equipment, and high-performance coating technology services, establishing the company as a core technology-driven enterprise with a competitive supply chain advantage in replacing imported products with domestically produced alternatives. To date, the company has been granted over 80 patents and collaborates with five affiliated institutions and scientific research units. It has established a precision optical processing production base and a precision optical system assembly and calibration center. The company has forged deep industry-academia-research partnerships with global research institutes, renowned universities, and industry associations in the optoelectronics field. Grounded in high-level scientific and technological self-reliance, it is committed to conquering key core technologies, continuously accumulating technical expertise, and tackling key process challenges, striving to become a leading enterprise in the development and industrialization of high-tech optoelectronic products. Through continuous efforts, Zhongke Zhuoer has achieved one qualitative leap after another. In the future, the company will deepen collaborative partnerships along the industry value chain to enhance its core capabilities, embrace innovation, and contribute to the development of critical upstream materials and integrated process technologies for China’s optoelectronics industry.

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Off-axis parabolic mirror
Zeit-group · Optical Mirrors
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