1. The time-dependent physical spectrum of light*
2. Time-dependent Autler Townes spectroscopy
3. S. Qamar, Ph.D. Thesis, Quaid-i-Azam University, Islamabad, Pakistan, 2000, 〈http://eprints.hec.gov.pk/2374/1/2229.htm〉.
4. Heisenberg envisioned a microscope that could measure the position of the electron which could help him to understand the uncertainty principle. Further, fabricating the nano structures using atom lithography and some modern application in life sciences requires certain techniques for the precise measurement at nanoscale.
5. Principles of Optics;Born,1999