Ronald A. Malt, M.D.
This content is PDF only. Please click on the PDF icon to access.
Coherent visible light from an optical maser (laser) can be focused through a conventional optical system to a spot approaching ⅓ µ in diameter. This enormous concentration produces a power density greater than that of radiant energy at the surface of the sun; yet, minute targets subjected to the flux can be heated with no effect on thermal equilibrium in surrounding tissue.
Actual effects on a biological object depend on the absorbent properties at a given wavelength as well as the intensity of incident radiation. Since pigmented areas are affected far more than reflective or transparent ones, focal lesions can
Ronald A. Malt. Microsurgery and Spectroscopy with the Maser.. Ann Intern Med. 1964;60:726–727. doi: 10.7326/0003-4819-60-4-726_2
Download citation file:
Published: Ann Intern Med. 1964;60(4):726-727.
Results provided by:
Copyright © 2017 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
Conditions of Use