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In medical surgery, the application of laser is increasing rapidly. At present Ho:YAG laser-based surgical instrument is the clinical standard in Urology. The operating wavelength of Thulium Fibre Laser (TFL) in the range of 1.9-2.05 µm is useful for specific surgery because of closely matching wavelength with cellular water absorption. Technologically TFL is superior to Ho:YAG laser operating at 2.1 µm.

The Fiber Optics & Photonics Division at CSIR-Central Glass & Ceramics Research Institute (CSIR-CGCRI), Kolkata took up an ambitious task to establish a state-of-the-art facility and initiate research on TFL targeting applications in medical and strategic sectors. As part of this, a diode-pumped Thulium laser for an operating wavelength of 1.94 µm has been developed to deliver power in the range of 30-150 W with efficient thermal management…read more on NOPR