Continuous-wave laser at 440 nm based on frequency-doubled diode-pumped Nd:GdVO_4 crystal

Castaing, Marc; Balembois, François; Georges, Patrick

doi:10.1364/ol.33.001957

Cited by 18 publications

(10 citation statements)

References 8 publications

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“…3). Only one output in the blue can be achieved if the Bragg mirror has two sections: one highly reflective at the fundamental wavelength and the [20] 427 nm 13 mW Nd:YAG + BiBO (SHG) [46] 434.5 nm 118 mW Nd:YAG + BiBO (SHG) [49] 449.5 nm 300 mW Nd:GdVO 4 + KNbO 3 (SHG) [48] 439.5 nm 300 mW Laser diode [51] 405 nm 120 mW Laser diode [51] 440 nm 50 mW Helium-cadmium [52] 442 nm 180 mW other one highly reflective for the second harmonic. A more compact system could be also a microchip laser in which all the optical pieces are contacted together.…”

Section: Discussionmentioning

confidence: 99%

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Low‐wavelength emission of Nd‐doped lasers

Balembois

Castaing

Hérault

et al. 2011

Laser & Photonics Reviews

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This paper gives an overview of the results obtained with diode-pumped Neodymium-doped crystals operating below 900 nm. Operation at such low wavelengths requires considering the strong thermal population of the lower level of the laser transition. Based on a theoretical study and simulations, the paper presents the challenges related to the design of these three-level lasers. Experimental results are given with Nd:YAG and Nd:vanadate crystals. It is explained how to deal with the line competition with emission at 946 nm or 912 nm. Finally, intracavity second-harmonic generation is presented. The output powers reach a few hundred mW at wavelengths below 450 nm. Hence, the paper demonstrates the potential of Nd-doped diodepumped solid-state lasers for applications in the blue range, in replacement of gas lasers such as helium-cadmium lasers.

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Section: Discussionmentioning

confidence: 99%

“…online color at: www.lpr-journal.org) Output power versus pump power for Nd:GdVO 4 laser operation at 879 nm. Inset: spatial beam profile from[48].…”

mentioning

confidence: 99%

Low‐wavelength emission of Nd‐doped lasers

Balembois

Castaing

Hérault

et al. 2011

Laser & Photonics Reviews

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“…In laser applications, more studies will focus on the design of laser systems, such as with cavity and cooling engineering that utilize slabs or thin disks. For Nd 3+ ‐doped vanadate crystals, the emission spectrum is abundant due to Stark splitting, some of which has particular wavelength requirements, such as 1083 nm for helium optical pumping , and 879 nm for optical data storage, flow visualization, holography, or Raman spectroscopy . Therefore, lasing at unusual wavelengths should be paid more attention.…”

Section: Possible Future Prospectsmentioning

confidence: 99%

Advances in vanadate laser crystals at a lasing wavelength of 1 micrometer

Liu

Zhang

et al. 2014

Laser & Photonics Reviews

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Sapphire, garnet and vanadate crystals are the most prominent optical materials, and vanadates play important roles in optics, especially in lasers and nonlinear optics. Neodymium‐doped yttrium vanadate (Nd:YVO4) is representative and available commercially. Based on Nd:YVO4, several vanadate crystals are being developed with the goal of fulfilling the need for differential applications and improvement of certain operational aspects, such as with pulsed lasers or high‐power continuous‐wave lasers. In recent years, some important effects, including energy enhancement, bistability of output performance, self‐Raman frequency shifting, etc., and some novel applications, such as quantum optics, pulsed lasers modulated by the two‐dimensional crystals, etc., have been discovered with vanadates as gain materials. In this paper, the preparation, characterization and laser applications of vanadate laser crystals at the lasing wavelength of 1 micrometer, including YVO4, GdVO4, LuVO4, GdxY1–xVO4 and LuxGd1–xVO4 (0 < x < 1) doped with Nd3+ and ytterbium (Yb3+) are systematically reviewed by highlighting the most recent research progress. Their specific properties are presented, generation mechanisms of novel physical effects are discussed, new applications are given and possible future applications proposed by focusing on some potential strengths.

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“…The lower wavelengths ever reported with diode-pumped solid-state (DPSS) lasers based on Nd 3+ ions are 899 nm with Nd:YAG [28]. Recently, the pure three-level laser reported based on Nd 3+ ions, for example, 880 nm [29] with Nd:YVO 4 , 879 nm [30] with Nd:GdVO 4 , and 869 nm [31] with Nd:YAG. To the best of our knowledge, there have In this letter, we report on a pure three-level Nd:LuVO 4 laser at 880 nm by a laser diode for what we believe to be the first time.…”

Section: Introductionmentioning

confidence: 99%

Nd:LuVO4 as a true three-level laser

Liu¹,

Li²,

Jiang³

2011

Laser Phys. Lett.

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We report for the first time a Nd:LuVO 4 laser operating in a continuous wave (CW) on the true three-level laser at 880 nm, based on the 4 F 3/2 -4 I 9/2 transition. CW 345 mW output power at 880 nm is obtained under 18.2 W of incident pump power. Moreover, the intracavity second-harmonic generation (SHG) has also been achieved with a blue power of 37 mW by using a LiB 3 O 5 (LBO) nonlinear crystal. Output powers at 880 and 440 nm versus pump power at 809 nm

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Continuous-wave laser at 440 nm based on frequency-doubled diode-pumped Nd:GdVO_4 crystal

Cited by 18 publications

References 8 publications

Low‐wavelength emission of Nd‐doped lasers

Low‐wavelength emission of Nd‐doped lasers

Advances in vanadate laser crystals at a lasing wavelength of 1 micrometer

Nd:LuVO4 as a true three-level laser

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