(原始内容存档于2007-02-06). F. J. Duarte. Tunablelaser atomic vapor laser isotope separation. F. J. Duarte (Ed.) (编). TunableLaser Applications 3rd. Boca Raton:
Francisco J. Chapter 3. TunableLaser Optics 2nd. New York: CRC. 2015 [2015-12-16]. ISBN 9781482245295. (原始内容存档于2015-04-02). Laser divergence calculator(页面存档备份,存于互联网档案馆)