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. 2016 Feb 1;4(1):11–21. doi: 10.1016/j.pacs.2016.01.002

Fig. 6.

Fig. 6

High-repetition-rate laser sources developed for IVPA imaging. (a) Schematics of 2 kHz MOPA-pumped Raman laser with an output of 1197 nm. Amp: amplifier; PH: pin hole; QR: quartz rotator; OI: optical isolator; FA: fiber amplifier; DL: Directly modulated diode laser; M1–M7: 45-degree 1064 nm reflective mirror; PBS: polarizing beam splitter; HWP: half wave plate; M8: resonator end mirror; M9: output coupler; M10: silver mirror. (b) Schematics of 500 Hz KTP-based OPO laser with an output of 1724 nm. M1, M2, M5, M6, flat mirrors; M3, M4, M8, reflective mirrors; M7, dichroic mirror; KD*P, potassium dideuterium phosphate Pockels cell; KTP, potassium titanyl phosphate. The inset shows the pictures of the actual laser system. Adapted with permission from Ref. [47] (a) and Ref. [99] (b).