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Efficient yellow beam generation by intracavity sum frequency mixing in DPSS Nd:YVO4 laser

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Abstract

We present our studies on dual wavelength operation using a single Nd:YVO4 crystal and its intracavity sum frequency generation by considering the influence of the thermal lensing effect on the performance of the laser. A KTP crystal cut for type-II phase matching was used for intracavity sum frequency generation in the cavity at an appropriate location for efficient and stable yellow output power. More than 550 mW of stable CW yellow-orange beam at 593.5 nm with beam quality parameter (M 2) ∼4. 3 was obtained. The total pump to yellow beam conversion efficiency was estimated to be 3.83%.

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Authors and Affiliations

  1. Solid State Laser Division, Raja Ramanna Centre for Advanced Technology, Indore, 452 013, India

    A J SINGH, P K GUPTA, S K SHARMA, P K MUKHOPADHYAY, K S BINDRA & S M OAK

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  1. A J SINGH
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  2. P K GUPTA
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  3. S K SHARMA
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  4. P K MUKHOPADHYAY
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  5. K S BINDRA
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  6. S M OAK
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Correspondence to A J SINGH.

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SINGH, A.J., GUPTA, P.K., SHARMA, S.K. et al. Efficient yellow beam generation by intracavity sum frequency mixing in DPSS Nd:YVO4 laser. Pramana - J Phys 82, 197–202 (2014). https://doi.org/10.1007/s12043-013-0662-9

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  • DOI: https://doi.org/10.1007/s12043-013-0662-9

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