Aspheric reflector series

Aspheric reflector series

Supplier
Intaneoptics
Category
Optical Mirrors
Origin
China
Specification Snapshot
Center thickness [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]
75.0394 mm
Edge thickness [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]
92.3 mm
Edge thickness [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]
169.7040 mm
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Specifications

ParameterValue
Outside Diameter [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]Φ689.900
Center thickness [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]75.0394 mm
Edge thickness [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]92.3 mm
Edge-thickness difference [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]0.0395 mm
Platform width [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]3.5 mm
Locating-hole diameter [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]20.07 mm
Locating-hole depth [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]34.96 mm
Locating-hole position tolerance [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]0.0320 mm
Locating-hole distance [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]450 mm
Vertex radius of curvature R [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]3153.6264 mm
K value [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]−1.0691
Off-axis amount [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]651.8182 mm
Clear Aperture [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]665 mm
Surface Finish [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]80/50S&D
Roughness [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]0.8 nm
Surface Figure Accuracy RMS [Parameter Image 1; Primary Mirror 690 (Off-Axis Higher-Order Asphere); Technical Parameter Measurement Results]0.0185 λ
Average Reflectance [Parameter image 1; primary mirror 690 (off-axis higher-order asphere); specification test results; coating-stack requirements; 0.4–0.5um]96.259 %
Average Reflectance [Parameter image 1; primary mirror 690 (off-axis higher-order asphere); specification test results; coating-stack requirements; 0.5–0.6um]96.029 %
Average Reflectance [Parameter image 1; Primary mirror 690 (off-axis higher-order asphere); Specification test results; Coating-stack requirements; 0.6–1.2um]97.695 %
Average Reflectance [Parameter image 1; Primary mirror 690 (off-axis higher-order asphere); Specification test results; Coating-stack requirements; 1.2–2.5um]98.169 %
Average Reflectance [Parameter image 1; Primary mirror 690 (off-axis higher-order asphere); Specification test results; Coating-stack requirements; 2.5–14um]98.475 %
Surface A flatness [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.0500 mm
Outer-circle roundness [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.0145 mm
Outside Diameter [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ1236.0636
Perpendicularity of the outer circle to surface A [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ0.0129
Outer-circle cylindricity [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.0329 mm
Central-hole diameter [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ289.9617
Perpendicularity of the central hole to surface A [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ0.0019
Central-hole cylindricity [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.0111 mm
Total Thickness [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]130.08、130.00、130.06、130.03
Coaxiality of the central hole to the outer circle [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ0.0413
Reflective-surface aperture excluding the land [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ1220.37
Reflective-surface ground-land flatness [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.0082 mm
Parallelism of the reflective-surface ground land to surface A [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]0.025 mm
Effective clear aperture [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ1200
Vertex radius of curvature R [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]3000.2688 mm
Aspheric coefficient K [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]−1.00005
Coaxiality of the reflective-surface optical axis to the outer circle [Parameter Image 2; 1236mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results]Φ0.1000
A outer-circle diameter [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ1229.8370
Center-hole depth [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]117.7854 mm
Surface Finish [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]III
Clear Aperture [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ1200
Vertex R [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]3911.4217 mm
K value [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]−0.9992
Edge thickness [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]169.7040 mm
Center-hole diameter [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Mean Φ256.3753
Reflective-surface aperture [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ1209.3896
Center stepped-hole diameter [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ0.0413
Center-hole cylindricity [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ1220.37
Perpendicularity of the center hole to surface A [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]0.0082
Surface A flatness [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]0.025
Bottom-surface flatness [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ1200
Eccentricity between the optical axis and the outer circle [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]3000.2688
Perpendicularity of the optical axis to end face A [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]−1.00005
Surface Roughness [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]Φ0.1000
Coating [Parameter Image 3; 1230mm Silicon Carbide Primary Mirror; Technical Parameter Measurement Results; No Unit Printed in the Right Column, Name/Value Correspondence Unchanged]20nm–1700nm:91.835%;1064nm:96.887%;420nm–800nm:91.840%

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Supplier Information

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Nanjing Intane Optical Engineering Co., Ltd. was founded in 2003 by Professor Zhou Bifang, former director of the Nanjing Astronomical Instruments Research Center of the Chinese Academy of Sciences and a doctoral supervisor. It is a national high-tech enterprise with precision optical system solutions as its core competitiveness, focusing on the R&D and provision of satellite laser communication systems and related products. The company was listed on the New Third Board in 2016 (stock code: 836787). It is a national-level specialized and sophisticated "little giant" enterprise, has passed ISO9001 quality management system certification and work safety standardization certification, and holds the qualification of a weapons and equipment manufacturing unit. The company has three provincial-level R&D platforms (Jiangsu Provincial Engineering Technology Research Center, Jiangsu Provincial Engineering Research Center, and Jiangsu Provincial Enterprise Technology Center) and a provincial-level academician workstation. It has been recognized as a Jiangsu Provincial Innovation and Entrepreneurship Team and a Nanjing Intellectual Property Demonstration Enterprise. To date, it has obtained more than 80 authorized patents (including more than 40 invention patents), established industry-university-research cooperation with many universities such as Nanjing University, Nanjing University of Aeronautics and Astronautics, and Nanjing University of Science and Technology, and has two provincial-level graduate workstations. Relying on more than 20 years of accumulated capabilities in complex system design, integration, testing, and key component manufacturing, the company has built an R&D team mainly focused on optical engineering and space optical communication, and has made outstanding contributions to major national scientific research projects such as the "Chang'e Project," the "Tianwen Mars Exploration Program," the "Zhurong Rover," and "Shenzhou-12." Since 2005, the company has continuously participated in national satellite laser communication technology research. It has successively completed the independent development of five generations of space-based terminals, five generations of ground-based terminals, and two generations of air-based laser communication terminals. It has won the Jiangsu Provincial Science and Technology Award and undertaken Nanjing's first batch of major science and technology projects and Jiangsu Provincial Scientific and Technological Achievement Transformation Projects. In 2011, the company's technology helped the "Haiyang-2" satellite achieve China's first two-way laser communication between a low-orbit satellite and the ground. The related achievements won the Special Prize of the National Defense Technology Invention Award and the First Prize of the National Technology Invention Award. In 2017, it supported the "Shijian-13" satellite in completing 5 Gbps high-speed satellite-to-ground laser communication verification in geosynchronous orbit. In 2020, its independently developed micro-nano satellite laser communication payload successfully completed in-orbit verification, filling a domestic technological gap. In 2025, the inter-satellite laser communication terminal developed by the company for the GW constellation was successfully launched and carried out in-orbit verification. As one of the earlier enterprises participating in the formulation of technical standards for laser communication terminals of China Satellite Network Group, the company won first place in the first public bidding for inter-satellite laser terminals in 2023 and passed prototype system acceptance in the same year. In 2024, the Innovation Research Institute of China Satellite Network Group sent a special letter of thanks, recognizing the company's technical contributions and recommending it to participate in the planning and construction of the laser communication terminal production line at the Hainan Wenchang Satellite Super Factory. In 2025, the company undertook the verification task for the inter-satellite laser link of the second-generation GW constellation satellites. It is a private commercial aerospace enterprise with deep technological accumulation and rich engineering experience in China. At present, the construction of global satellite internet is accelerating, and commercial aerospace has been included in the catalog of national strategic emerging industries and has become the first of the top ten fields of new quality productive forces. Intane Optics will keep pace with the national satellite internet construction, implement the innovation-driven development strategy, and contribute to the construction of China's version of "Starlink" and to space information security.

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Aspheric reflector series
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