OSA's Digital Library

Applied Optics

Applied Optics


  • Vol. 40, Iss. 21 — Jul. 20, 2001
  • pp: 3547–3551

Advantages of negative-branch compared with positive-branch one-dimensional unstable resonators

Koji Yasui and Yushi Takenaka  »View Author Affiliations

Applied Optics, Vol. 40, Issue 21, pp. 3547-3551 (2001)

View Full Text Article

Enhanced HTML    Acrobat PDF (103 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



Effects of small misalignments in positive- and negative-branch strip confocal unstable resonators have been compared at the same absolute values of collimated Fresnel numbers and at the same Fresnel numbers. We show that positions of beam modes in negative-branch unstable resonators are far less sensitive to misalignment because of both geometric features and diffraction effects of beam flipping in the resonators.

© 2001 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.4780) Lasers and laser optics : Optical resonators
(220.1140) Optical design and fabrication : Alignment

Original Manuscript: August 25, 2000
Revised Manuscript: March 12, 2001
Published: July 20, 2001

Koji Yasui and Yushi Takenaka, "Advantages of negative-branch compared with positive-branch one-dimensional unstable resonators," Appl. Opt. 40, 3547-3551 (2001)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. W. F. Krupke, W. R. Sooy, “Properties of an unstable confocal resonator CO2 laser system,” IEEE J. Quantum Electron. QE-5, 575–586 (1969). [CrossRef]
  2. A. N. Chester, “Mode selectivity and mirror misalignment effects in unstable resonators,” Appl. Opt. 11, 2584–2590 (1972). [CrossRef] [PubMed]
  3. A. N. Chester, “Beam steering in confocal unstable resonators,” IEEE J. Quantum Electron. QE-9, 209–212 (1973). [CrossRef]
  4. P. Horwitz, “Modes in misaligned unstable resonators,” Appl. Opt. 15, 167–178 (1976). [CrossRef] [PubMed]
  5. J. F. Perkins, C. Cason, “Effects of small misalignments in empty unstable resonators,” Appl. Phys. Lett. 31, 198–200 (1977). [CrossRef]
  6. C. Santana, L. B. Felsen, “Unstable strip resonators with misaligned circular mirrors,” Appl. Opt. 17, 2352–2357 (1978). [CrossRef] [PubMed]
  7. C. Santana, L. B. Felsen, “Eigenvalues for unstable resonators with slightly misaligned strip mirrors,” Appl. Opt. 19, 3189–3191 (1980). [CrossRef] [PubMed]
  8. J. F. Perkins, R. W. Jones, “Effects of unstable resonator misalignment in the coupling domain,” Appl. Opt. 23, 358–360 (1984). [CrossRef]
  9. N. McCarthy, P. Lavigne, “Optical resonators with Gaussian reflectivity mirrors: misalignment sensitivity,” Appl. Opt. 22, 2704–2708 (1983). [CrossRef] [PubMed]
  10. T. F. Ewanizky, J. M. Craig, “Negative-branch unstable resonator Nd:YAG laser,” Appl. Opt. 15, 1465–1469 (1976). [CrossRef] [PubMed]
  11. K. Yasui, M. Tanaka, S. Yagi, “Negative-branch unstable resonator with a phase unifying coupler for high power Nd:YAG lasers,” Appl. Opt. 29, 1277–1280 (1990). [CrossRef] [PubMed]
  12. K. Kuba, T. Yamamoto, S. Yagi, “Improvement of slab-laser beam divergence by using an off-axis unstable–stable resonator,” Opt. Lett. 15, 121–123 (1990). [CrossRef]
  13. S. K. Dixit, B. Singh, S. V. Nakhe, J. K. Mittal, R. Bhatnagar, “Negative-branch unstable-resonator copper-vapor laser,” Opt. Lett. 15, 428–430 (1990). [CrossRef] [PubMed]
  14. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 806.
  15. A. H. Paxton, “Unstable resonators with negative equivalent Fresnel numbers,” Opt. Lett. 11, 76–78 (1986). [CrossRef] [PubMed]
  16. K. Yasui, M. Tanaka, S. Yagi, “An unstable resonator with a phase-unifying output coupler to extract a large uniphase beam of a filled-in circular pattern,” J. Appl. Phys. 65, 17–21 (1989). [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.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited