Results 231 to 240 of about 248,303 (255)

Focal length measurement based on Hartmann–Shack principle

Optik, 2012
exaly  

front focal length

2000
openaire   +1 more source

Measurement of focal length based on laser-beam-spot tracking system using diffractive beam sampler

Measurement: Journal of the International Measurement Confederation, 2018
Sanghoon Ahn, Binh X Cao, Jiwhan Noh
exaly  

front focal length

2011
openaire   +1 more source

LENS FOCAL LENGTH

2014
openaire   +1 more source

focal calibrated length

2014
openaire   +1 more source

Focal length of a cassegrain reflector

IRE Transactions on Antennas and Propagation, 1961
W. White, L. Desize
openaire   +1 more source

Focal length measurement based on vortex beam interference

Optics and Lasers in Engineering
Zhongming Yang, Youyou Hu, Dou Jiantai   +2 more
exaly  

equivalent focal length

2000
openaire   +1 more source

Automatic focal length estimation as an eigenvalue problem

Pattern Recognition Letters, 2013
exaly