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Observation of second harmonic generation from optically trapped microscopic LiNbO3 particle using Nd:YAG laser

Observation of second harmonic generation from optically trapped microscopic LiNbO3 particle using Nd:YAG laser

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© The Institution of Electrical Engineers
Published

Optical trapping of a microscopic LiNbO3 particle is demonstrated using a single beam from a CW Nd:YAG laser at 1.064 μm for the first reported time. The simultaneous generation of a second harmonic wave from the LiNbO3 particle induced by the trapping laser light itself is also confirmed by the emission spectrum at 532 nm and by its intensity variation that is almost proportional to the square of the input Nd:YAG laser power ranging from several milliwatts to 40 mW.

Inspec keywords: radiation pressure; lithium compounds; optical harmonic generation

Other keywords: emission spectrum; nonlinear optics; CW laser; second harmonic generation; intensity variation; SHG; 1.064 micron; 532 nm; 40 mW; microscopic LiNbO3 particle; YAl5O12:Nd; YAG:Nd laser

Subjects: Nonlinear optics and devices; Optical harmonic generation, frequency conversion, parametric oscillation and amplification

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