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2016•Unpublished venueOpen access

The experimental study on 808nm LD end-pumped Nd:YVO4 laser

Caixia Wu, Bo Pang, Wang Qiushi, Yizhuo Zhang

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Abstract

It is discussed that the experimental output profile of 1064 nm beam of a laser diode (LD) end pumped Nd: YVO4 laser.It shows that the output power is highly dependent on the focusing position of pump light inside Nd:YVO4 crystal.Given the same beam waist (1mm) and the same cavity length (58mm), the relationship of output profile and the distance between coupling lens and crystal end is analyzed.When the coupling lens is 13mm away from the crystal end and the pump power is 58.8W, the output power is 20.25W.In this condition, the optical to optical conversion efficiency is 34.4%.The ZEM00 mode is acquired and M2 value is below.

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What this paper is about

It is discussed that the experimental output profile of 1064 nm beam of a laser diode (LD) end pumped Nd: YVO4 laser.It shows that the output power is highly dependent on the focusing position of pump light inside Nd:YVO4 crystal.Given the same beam waist (1mm) and the same cavity length (58mm), the relationship of output profile and the distance between coupling lens and crystal end is analyzed.When the coupling lens is 13mm away from the crystal end and the pump power is 58.8W, the output power is 20.25W.In this condition, the optical to optical conversion efficiency is 34.4%.The ZEM00 mode is acquired and M2 value is below.

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Available abstract

It is discussed that the experimental output profile of 1064 nm beam of a laser diode (LD) end pumped Nd: YVO4 laser.It shows that the output power is highly dependent on the focusing position of pump light inside Nd:YVO4 crystal.Given the same beam waist (1mm) and the same cavity length (58mm), the relationship of output profile and the distance between coupling lens and crystal end is analyzed.When the coupling lens is 13mm away from the crystal end and the pump power is 58.8W, the output power is 20.25W.In this condition, the optical to optical conversion efficiency is 34.4%.The ZEM00 mode is acquired and M2 value is below.

Key concepts: Laser, Materials science, Optoelectronics, Computer science, Optics, Physics

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