Peter Kaiser. An improved thermal gas lens for optical beam waveguides. Bell Syst. Tech. J., 49(1):137-153, 1970. [doi]
@article{Kaiser70-0,
title = {An improved thermal gas lens for optical beam waveguides},
author = {Peter Kaiser},
year = {1970},
doi = {10.1002/j.1538-7305.1970.tb01761.x},
url = {https://doi.org/10.1002/j.1538-7305.1970.tb01761.x},
researchr = {https://researchr.org/publication/Kaiser70-0},
cites = {0},
citedby = {0},
journal = {Bell Syst. Tech. J.},
volume = {49},
number = {1},
pages = {137-153},
}