YUAN Jian-Hui, ZHOU Lie-Sheng, ZOU Shu-Wen . The Measurement of Focal Length of A lens With Galvanometer[J]. Editorial Office of Optics and Precision Engineering, 1998,(1): 115-121
YUAN Jian-Hui, ZHOU Lie-Sheng, ZOU Shu-Wen . The Measurement of Focal Length of A lens With Galvanometer[J]. Editorial Office of Optics and Precision Engineering, 1998,(1): 115-121DOI:
The principle and method of measuring focal length of a lens by use of D.C.multiplexreflecting galvanometer are introduced.It is valid for both convex and concave lenses and has a comparative high precision.