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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Opt Lett. 2006 May 15;31(10):1417–1419. doi: 10.1364/ol.31.001417

Fig. 2.

Fig. 2

(Color online) Comparison of CARS signal between PCF and free-space delivery. a, CARS image of 1–µm melamine beads with PCF delivered laser source. Pump 14170 cm–1, 39 mW; Stokes 11330 cm–1, 17 mW. Red color: F-CARS; green color: E-CARS. b, CARS image with free space lasers of same frequency and power. c,d, Line profile for a and b, respectively.