Research on focal length measurement of telephoto lens based on Polaris observation

2020 ◽  
Author(s):  
Xin Zhou ◽  
DeChao Liu ◽  
ZhiXiang Zhang ◽  
Rui Cao ◽  
XuYang Li ◽  
...  
Keyword(s):  
Focal Length ◽  
Length Measurement ◽  
Telephoto Lens

Focal length measurement using diffraction at a grating

1991 ◽  
Author(s):  
Rajpal S. Sirohi ◽  
Harish Kumar ◽  
Narinder K. Jain
Keyword(s):  
Focal Length ◽  
Length Measurement

Focal length measurement by the analysis of moiré fringes using the wavelet transformation

2005 ◽  
Vol 28 (1) ◽  
pp. 33-38 ◽  
Author(s):  
Ching‐Huang Lin ◽  
Chien‐Yue Chen ◽  
Jin‐Yi Sheu ◽  
Ping‐Lin Fan ◽  
Rong‐Seng Chang
Keyword(s):  
Wavelet Transformation ◽  
Focal Length ◽  
Length Measurement ◽  
Moiré Fringes

High-speed, high-precision focal length measurement using double-hole mask and advanced image sensor software

2018 ◽  
Vol 74 ◽  
pp. 239-244
Author(s):  
Binh Xuan Cao ◽  
Phuong Le Hoang ◽  
Sanghoon Ahn ◽  
Jeng-o Kim ◽  
Heeshin Kang ◽  
...  
Keyword(s):  
High Precision ◽  
High Speed ◽  
Focal Length ◽  
Image Sensor ◽  
Length Measurement

An Error Calibration Method against Aberration in Long Focal Length Measurement

2014 ◽  
Vol 34 (12) ◽  
pp. 1222002
Author(s):  
江瑶 Jiang Yao ◽  
白剑 Bai Jian ◽  
罗佳 Luo Jia ◽  
李强 Li Qiang
Keyword(s):  
Focal Length ◽  
Calibration Method ◽  
Length Measurement ◽  
Error Calibration

Thermal focal length measurement of an LD-end-pumped Tm,Ho:GdVO4 laser

Laser Physics ◽  
2009 ◽  
Vol 19 (6) ◽  
pp. 1213-1215 ◽  
Author(s):  
L. J. Li ◽  
B. Q. Yao ◽  
C. T. Wu ◽  
Y. L. Ju ◽  
Y. J. Zhang ◽  
...  
Keyword(s):  
Focal Length ◽  
Length Measurement ◽  
Thermal Focal Length

Research on focal length measurement based on double Ronchi gratings

2018 ◽  
Vol 39 (5) ◽  
pp. 82-87
Author(s):  
Jiang Zhengdong ◽  
Zhu Ronggang ◽  
Chen Lei ◽  
He Yong
Keyword(s):  
Focal Length ◽  
Length Measurement

Design of zoom system for automatic focal length measurement on optical bench

2016 ◽  
Vol 37 (3) ◽  
pp. 359-364
Author(s):  
Cai Jinhao ◽  
Yang Pengli ◽  
Ma Aiqiu ◽  
Feng Jie ◽  
Fu Xiaoqing ◽  
...  
Keyword(s):  
Focal Length ◽  
Length Measurement ◽  
Optical Bench
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