XQJ Series Interferometer Reference Flat
XQJ series interferometer reference optics - Shanghai Xingqing Optical Instrument Co., Ltd. XQJ series interferometer reference optics XQJ series interferometer reference optics - Shanghai Xingqing Optical Instrument Co., Ltd. Home About Us Company Profile Honors & Qualifications Products Spherical interferometers Plane interferometers Dynamic interferometers ZPS Interferometric analysis system Robotic arm polishing system Other optical instruments Precision optical cold processing Optical calculation tools Downloads Company News Contact Us EN EN Home About Us Products Spherical interferometers Plane interferometers Dynamic interferometers ZPS Interferometric analysis system Robotic arm polishing system Other optical instruments Precision optical cold processing Downloads Company News Contact Us Product Center Spherical interferometers Plane interferometers Dynamic interferometers ZPS Interferometric analysis system Robotic arm polishing system Other optical instruments Precision optical cold processing Home > Products > Spherical interferometers XQJ series interferometer reference optics Model: XQJ Application Technical parameters Suitable for spherical and plane reference optics matching various imported interferometers, extending the instrument's application range to meet the inspection needs of high-precision surface figure accuracy. 60mm reference optics (customization supported) F-number Standard surface radius of curvature Radius of curvature measurement range Maximum aperture measurement range Convex Concave Convex Concave F0.6 17.458 1~16.8 1~140 25.5 99 F0.7 24 2~23.3 2~155 31 99 F1.0 47.1 3~46.67 4~245 43 99 F1.4 64.4 4~63.56 4~355 43 99 F2.0 113.573 5~112 5~485 54 99 F2.8 161.63 6~160 6~385 56 99 F4.2 241.77 12~240 12~370 57 99 F5.6 326.6 14~325 14~300 57 81 F8.1 474.212 16~473 16~150 57 50 F8.4D 510.55 - 512~980 - 60 F15 913.673 6~910 - 60 - 4-inch reference optics (customization supported) F-number Standard surface radius of curvature Radius of curvature measurement range Maximum aperture measurement range Convex Concave Convex Concave F0.65 38.738 3~38 3~ 61 Unlimited F0.75 48.082 4~48 4~ 64 Unlimited F1.0 79.992 6~79.9 6~ 80 Unlimited F1.5 122.77 10~122.7 10~ 80 Unlimited F2.1 192.09 15~192 15~ 91 Unlimited F3.3 308.379 20~308 20~ 93 Unlimited F4.2 390.77 25~390 25~ 93 Unlimited F4.9D +459.279 - 460~ - Unlimited F6D +640.48 - 641~ - Unlimited F6.2 610.256 40~610 40~ 98 Unlimited F8.1 802.146 60~802 60~ 99 Unlimited F11.6 1148.334 100~1148 100~ 99 Unlimited F12D +1213 - 1214~ - Unlimited F15 1510.3 150~1510 130~ 102 Unlimited F23 2376.61 300~2376 150~ 102 Unlimited F∞ ∞ ∞ ∞ 102 6-inch reference optics (customization supported) F-number Standard surface radius of curvature Radius of curvature measurement range Maximum aperture measurement range Convex Concave Convex Concave F0.8 80.127 5~80 5~x 100 1.25x F1.1 127.23 6~127 6~x 115 0.91x F2.2 292.382 7~292 7~x 132 0.46x F3.6 499.8 8~499 8~x 138 0.28x F5.5 791.6 9~791 9~x 143 0.18x F7.6 1111.3 12~1111 12~x 146 0.13x F20 3000 20~3000 20~x 150 0.05x F∞ ∞ ∞ ∞ 154 The surface figure deviation (PV) of the reference flat is less than 0.03μm(λ/20) The surface figure deviation (PV) of each reference sphere is less than 0.03μm(λ/20) Address: No. 68, North Zone, Liando U Valley, Lane 818 Xianing Road, Jinshan District, Shanghai Sales hotline: 021-54352518 Recipient: Hu Yuzhe Email: huyuzhe@vip.sina.com Product list Downloads Optical calculation tools Contact Us Back to top Copyright © 2025. Shanghai Xingqing Optical Instrument Co., Ltd. All Rights Reserved Shanghai ICP Filing No. 11049564-2
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Overview
Specifications
| Parameter | Value |
|---|---|
| Standard Radius of Curvature | 127.23 |
| Radius of Curvature Measurement Range - Convex | 6~127 |
| Radius of Curvature Measurement Range - Concave | 6~x |
| Max. Aperture Measurement Range - Convex | 115 |
| Max. Aperture Measurement Range - Concave | 0.91x |
| Reference Standard Plane Surface Deviation (PV) Less Than | 0.03μm(λ/20) |
| Surface Form Deviation (PV) of Each Reference Standard Sphere Less Than | 0.03μm(λ/20) |
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