TY  - JOUR
AU  - Torcal Milla, Francisco José
AU  - Sánchez Brea, Luis Miguel
PY  - 2017
DO  - 10.1016/j.optlaseng.2016.09.008
SN  - 0143-8166
UR  - https://hdl.handle.net/20.500.14352/18972
T2  - Optics and lasers in engineering
AB  - An accurate and simple technique for determining the focal length of a lens is presented. It consists of measuring the period of the fringes produced by a diffraction grating at the near field when it is illuminated with a beam focused by the unknown...
LA  - eng
M2  - 105
PB  - Elsevier
KW  - Focal length
KW  - Metrology
KW  - Self-imaging
TI  - Near-field diffraction-based focal length determination technique
TY  - journal article
VL  - 92
ER  -