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Applied Optics

Applied Optics


  • Vol. 12, Iss. 4 — Apr. 1, 1973
  • pp: 795–798

Limitations of the Use of Vacuum Photodiodes in Instruments for the Measurement of Laser Power and Energy

R. L. Smith and R. J. Phelan, Jr.  »View Author Affiliations

Applied Optics, Vol. 12, Issue 4, pp. 795-798 (1973)

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The effect of the variation in the area sensitivity upon the calibration of instruments incorporating biplanar vacuum photodiodes for the measurement of laser power and energy is discussed. A technique for the measurement of the area sensitivity is described, and the experimental results for several tubes are given. At the present time it would appear to be difficult to use biplanar vacuum phctodiodes in devices to measure laser energy or power.

© 1973 Optical Society of America

Original Manuscript: September 14, 1972
Published: April 1, 1973

R. L. Smith and R. J. Phelan, "Limitations of the Use of Vacuum Photodiodes in Instruments for the Measurement of Laser Power and Energy," Appl. Opt. 12, 795-798 (1973)

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  1. In this article we use the term sensitivity to mean the output current times the reciprocal of the input radiant power. Rather than the term sensitivity we perhaps should have used the term responsivity. We did not because of the widespread use of the term sensitivity in the literature pertaining to photocathode surfaces.
  2. Radiation Control for Health and Safety Act of 1968, Public Law 90-602 and 42CFR78.
  3. Public Law 91-596.
  4. J. G. Edwards, Opto-Electronics 1, 1 (1969). [CrossRef]
  5. D. A. McSparron, C. A. Douglas, H. L. Badger, NBS Special Publication 300, H. K. Hammond, H. L. Mason (Nat’l Bureau of Standards, Washington, D.C., ds 19xx), Vol. 7.
  6. J. G. Edwards, J. Phys. E. Sci. Instrum. 3, 8 (1970).
  7. C. N. Potter, D. E. Sawyer, Rev. Sci. Instrum. 39, 180 (1968). [CrossRef]
  8. B. Sherman, J. F. Black, Appl. Opt. 9, 802 (1970). [CrossRef] [PubMed]
  9. R. J. Phelan, N. L. DeMeo, Appl. Opt. 10, 858 (1971). [CrossRef] [PubMed]
  10. In this article we will use the term power density to mean the power per unit area that passes through some plane.
  11. E. D. West, W. E. Case, A. L. Rasmussen, L. B. Schmidt, J. Res. NBS 76A, 13 (1972). [CrossRef]

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