OSA's Digital Library

Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 19, Iss. 2 — Feb. 1, 2002
  • pp: 339–344

Spectral changes and 1 × N spectral switches in the diffraction of partially coherent light by an aperture

Jixiong Pu and Shojiro Nemoto  »View Author Affiliations

JOSA A, Vol. 19, Issue 2, pp. 339-344 (2002)

View Full Text Article

Enhanced HTML    Acrobat PDF (176 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



The off-axis and on-axis spectra in the far zone of an aperture for the case in which a particular class of partially coherent light with a broad spectrum is diffracted by an aperture are studied. It is shown that the spectrum in the far zone is generally different from that at the aperture; i.e., the spectrum is split into two or more peaks. Moreover, the spectrum varies with the diffractive angle. For a fixed diffractive angle, the spectral shift, defined as the difference between the frequencies at which the observed spectrum and the spectrum at the aperture take their maximum, shows a gradual change with the change in the coherence at the aperture. However, as the coherence reaches some critical values, the spectral shift exhibits a rapid transition; i.e., spectral switch occurs. The coherence that causes the spectral switch to take place is different for different diffractive angles. Therefore we propose a new kind of 1×N spectral switch, where N detectors (output ports) are placed at different diffractive angles in the far zone, and the spectral shifts at different detectors are measured. By adjusting the coherence of the aperture (input port) to the desired values, we obtain a rapid transition of the spectral shift in the desired output ports.

© 2002 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(230.6080) Optical devices : Sources
(260.1960) Physical optics : Diffraction theory

Original Manuscript: June 18, 2001
Revised Manuscript: August 20, 2001
Manuscript Accepted: August 20, 2001
Published: February 1, 2002

Jixiong Pu and Shojiro Nemoto, "Spectral changes and 1 × N spectral switches in the diffraction of partially coherent light by an aperture," J. Opt. Soc. Am. A 19, 339-344 (2002)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. E. Wolf, “Invariance of the spectrum of light on propagation,” Phys. Rev. Lett. 56, 1370–1372 (1986). [CrossRef] [PubMed]
  2. E. Wolf, “Non-cosmological redshifts of spectral lines,” Nature 326, 363–365 (1987). [CrossRef]
  3. H. C. Kandpal, J. S. Vaishya, K. Saxena, D. S. Mehta, K. C. Joshi, “Intensity distribution across a source from spectral measurements,” J. Mod. Opt. 42, 455–464 (1995). [CrossRef]
  4. H. C. Kandpal, J. S. Vaishya, K. C. Joshi, “Wolf shift and its application in spectroradiometry,” Opt. Commun. 73, 169–172 (1989). [CrossRef]
  5. E. Wolf, “Correlation-induced Doppler-like frequency shifts of spectral lines,” Phys. Rev. Lett. 63, 2220–2223 (1989). [CrossRef] [PubMed]
  6. D. Faklis, G. M. Morris, “Spectral shifts produced by source correlations,” Opt. Lett. 13, 4–6 (1988). [CrossRef] [PubMed]
  7. Z. Dacic, E. Wolf, “Changes in the spectrum of a partially coherent light beam propagating in free space,” J. Opt. Soc. Am. A 5, 1118–1126 (1988). [CrossRef]
  8. G. M. Morris, D. Faklis, “Effects of source correlation on the spectrum of light,” Opt. Commun. 62, 5–11 (1987). [CrossRef]
  9. F. Gori, G. Guattari, C. Palma, “Observation of optical redshifts and blueshifts produced by source correlation,” Opt. Commun. 67, 1–4 (1988). [CrossRef]
  10. G. Indebetouw, “Synthesis of polychromatic light sources with arbitrary degrees of coherence: some experiments,” J. Mod. Opt. 36, 251–259 (1989). [CrossRef]
  11. C. Palma, G. Cincotti, G. Guattari, “Spectral shift of a Gaussian Schell-model beam beyond a thin lens,” IEEE J. Quantum Electron. 34, 378–383 (1998). [CrossRef]
  12. C. Palma, G. Cincotti, G. Guattari, “Spectral changes in Gaussian cavity lasers,” IEEE J. Quantum Electron. 34, 1082–1088 (1998). [CrossRef]
  13. C. Palma, G. Cincotti, “Spectral shifts of a partially coherent field after passing through a lens,” Opt. Lett. 22, 671–672 (1997). [CrossRef] [PubMed]
  14. E. Wolf, D. F. V. James, “Correlation-induced spectral changes,” Rep. Prog. Phys. 59, 771–818 (1996). [CrossRef]
  15. J. T. Foley, “The effect of an aperture on the spectrum of partially coherent light,” Opt. Commun. 75, 347–352 (1990). [CrossRef]
  16. J. T. Foley, “The effect of an aperture on the spectrum of partially coherent light,” J. Opt. Soc. Am. A 8, 1099–1105 (1991). [CrossRef]
  17. A. Wasan, H. C. Kandpal, D. S. Mehta, J. S. Vaishya, K. C. Joshi, “Correlation-induced spectral changes on passing partially coherent light through an annular aperture,” Opt. Commun. 121, 89–94 (1995). [CrossRef]
  18. T. Yatagai, S. Kawai, H. Huang, “Optical computing and interconnects,” Proc. IEEE 84, 828–852 (1996). [CrossRef]
  19. M. Mitchell, Z. Chen, M. Shih, M. Segev, “Self-trapping of partially spatially incoherent Light,” Phys. Rev. Lett. 77, 490–493 (1996). [CrossRef] [PubMed]
  20. M. Mitchell, M. Segev, “Self-trapping of incoherent white light,” Nature 387, 880–883 (1997). [CrossRef]
  21. E. Wolf, T. Shirai, H. Chen, W. Wang, “Coherence filters and their uses: 1. Basic theory and examples,” J. Mod. Opt. 44, 1345–1353 (1997).
  22. T. Shirai, E. Wolf, H. Chen, W. Wang, “Coherence filters and their uses: 2. One-dimensional realizations,” J. Mod. Opt. 45, 799–816 (1998). [CrossRef]
  23. J. Pu, H. Zhang, S. Nemoto, “Spectral shifts and spectral switches of partially coherent light passing through an aperture,” Opt. Commun. 162, 57–63 (1999). [CrossRef]
  24. J. Pu, S. Nemoto, “Spectral shifts and spectral switches in diffraction of partially coherent light by a circular aperture,” IEEE J. Quantum Electron. 36, 1407–1411 (2000). [CrossRef]
  25. H. C. Kandpal, “Experimental observation of the phenomenon of spectral switch,” J. Opt. A Pure Appl. Opt. 3, 296–299 (2001). [CrossRef]
  26. E. W. Marchand, E. Wolf, “Radiometry with sources of any state of coherence,” J. Opt. Soc. Am. 64, 1219–1226 (1974). [CrossRef]
  27. W. Hwang, J. Kim, S. Jung, T. Zyung, “A 1×N thermo-optic space switch in a polymeric planar waveguide,” Opt. Commun. 109, 249–252 (1994). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1 Fig. 2 Fig. 3
Fig. 4 Fig. 5

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited