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. Author manuscript; available in PMC: 2024 Dec 27.
Published in final edited form as: IEEE J Sel Top Quantum Electron. 2009 Dec 15;16(4):863–869. doi: 10.1109/jstqe.2009.2035362

Fig. 6.

Fig. 6.

(a) Distal end of the 25-gauge OCT imaging needle with astigmatism correction. (b) Beam profiles at the focus and ~3 mm away from the focus. The round beam profiles suggest that the cylindrical lens effect was well corrected.