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A compact and alignment-free tube-type device for femtosecond pulses measurement. | LitMetric

A compact and alignment-free tube-type device for femtosecond pulses measurement.

Rev Sci Instrum

State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.

Published: August 2018

A compact and alignment-free device based on transient grating self-referenced spectral interferometry is proposed to realize the temporal profile measurement of femtosecond laser pulses. The entire optical setup is composed of two lenses and two glass plates on a straight line with tubes, thereby avoiding complicated optical alignment and improving the stability and practicality of the device. Two 51.0 fs and 16.9 fs laser pulses at 800 nm and a 60.6 fs pulse at 1800 nm are all successfully measured by this device, which verifies the reliability of the device.

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Source
http://dx.doi.org/10.1063/1.5025610DOI Listing

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