Fast M2 measurement for fiber beams based on modal analysis

Applied Optics

Volumn 51, Issue 7, 2012, Pages 987-993

  Flamm, Daniel ^a   Schulze, Christian ^a   Brüning, Robert ^a   Schmidt, Oliver A ^b   Kaiser, Thomas ^a   Schröter, Siegmund ^c   Duparré, Michael ^a  

^a FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

^b MAX PLANCK INSTITUTE FOR THE SCIENCE OF LIGHT   (Germany)

^c LEIBNIZ INSTITUTE OF PHOTONIC TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

OPTICAL FIBERS;

BEAM PROPAGATION RATIO; COHERENT SUPERPOSITIONS; EIGEN MODES; FIBER BEAMS; FREE SPACE PROPAGATION; HOLOGRAPHIC FILTERS; ISO STANDARDS; OPTICAL FIELD;

MODAL ANALYSIS;

EID: 84857839728     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.51.000987     Document Type: Conference Paper

References (20)

1. A. E. Siegman, "New developments in laser resonators," Proc. SPIE 1224, 2-14 (1990).
2. A. E. Siegman, "How to (maybe) measure laser beam quality," in DPSS (Diode Pumped Solid State) Lasers: Applications and Issues (Optical Society of America, 1998), p. MQ1.
3. S. Liao, M. Gong, and H. Zhang, "Theoretical calculation of beam quality factor of large-mode-area fiber amplifiers," Laser Physics 19, 437-444 (2009).
4. ISO 11146-2, "Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 2: General astigmatic beams" (ISO, 2005).
5. T. Eidam, C. Wirth, C. Jauregui, F. Stutzki, F. Jansen, H.-J. Otto, O. Schmidt, T. Schreiber, J. Limpert, and A. Tünnermann, "Experimental observations of the thresholdlike onset of mode instabilities in high power fiber amplifiers," Opt. Express 19, 13218-13224 (2011).
6. C. Jauregui, T. Eidam, J. Limpert, and A. Tünnermann, "The impact of modal interference on the beam quality of highpower fiber amplifiers," Opt. Express 19, 3258-3271 (2011).
7. F. Stutzki, F. Jansen, C. Jauregui, J. Limpert, and A. Tünnermann, "Non-hexagonal large-pitch fibers for enhanced mode discrimination," Opt. Express 19, 12081-12086 (2011).
8. H. Yoda, P. Polynkin, and M. Mansuripur, "Beam quality factor of higher order modes in a step-index fiber," J. Lightwave Technol. 24, 1350-1355 (2006).
9. S. Wielandy, "Implications of higher-order mode content in large mode area fibers with good beam quality," Opt. Express 15, 15402-15409 (2007). (Pubitemid 350127669)
10. V. A. Soifer and M. Golub, Laser Beam Mode Selection by Computer Generated Holograms (CRC Press, 1994).
11. T. Kaiser, D. Flamm, S. Schröter, and M. Duparré, "Complete modal decomposition for optical fibers using CGH-based correlation filters," Opt. Express 17, 9347-9356 (2009).
12. O. A. Schmidt, C. Schulze, D. Flamm, R. Brüning, T. Kaiser, S. Schröter, and M. Duparré, "Real-time determination of laser beam quality by modal decomposition," Opt. Express 19, 6741-6748 (2011).
13. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, 1968).
14. D. Gloge, "Weakly guiding fibers," Appl. Opt. 10, 2252-2258 (1971).
15. D. Flamm, O. A. Schmidt, C. Schulze, J. Borchardt, T. Kaiser, S. Schröter, and M. Duparré, "Measuring the spatial polarization distribution of multimode beams emerging from passive step-index large-mode-area fibers," Opt. Lett. 35, 3429-3431 (2010).
16. W. H. Lee, "Sampled Fourier transform hologram generated by computer," Appl. Opt. 9, 639-643 (1970).
17. T. Grosjean, A. Sabac, and D. Courjon, "A versatile and stable device allowing the efficient generation of beams with radial, azimuthal or hybrid polarizations," Opt. Commun. 252, 12-21 (2005). (Pubitemid 40891738)
18. F. Stutzki, F. Jansen, T. Eidam, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, "High average power largepitch fiber amplifier with robust single-mode operation," Opt. Lett. 36, 689-691 (2011).
19. C. Schulze, O. A. Schmidt, D. Flamm, S. Schröter, and M. Duparré, "Modal analysis of beams emerging from a multicore fiber using computer-generated holograms," Proc. SPIE 7914, 79142H (2011).
20. O. A. Schmidt, D. Flamm, and M. Duparré, "Modal decomposition for photonic crystal fibers using computer-generated holograms," Proc. SPIE 7714, 77140W (2010).