Newport Intros Pulse Measurement

Launches Ultrafast Pulse Measurement System to measure temporal, spectral, and spatial characteristics of ultrafast mode-locked laser pulses

April 1, 2004

2 Min Read

IRVINE, Calif. -- The new UPM, Ultrafast Pulse Measurement System, series of instruments from Newport Corporation are the first diagnostic tools for ultrafast laser pulses that deliver stable long-term performance without the need for continuous adjustment or re-alignment. They provide simultaneous measurement of the temporal, spectral and spatial characteristics of ultrafast mode-locked laser pulses. With no moving parts and no need for internal optical adjustments, these revolutionary compact devices deliver a quantum leap in simplicity and ease of use, in contrast to traditional autocorrelators formerly used to study ultrafast pulses. The complete UPM product line includes models designed to study pulses ranging from 10 femtoseconds to 5 picoseconds. Moreover, a UPM can be used to study a single pulse or provide statistical analysis of a stream or burst of pulses.

The UPM series is designed to meet the demanding requirements of research laboratories, where ultrafast lasers are used for multiphoton imaging, time-resolved spectroscopy, biophotonics and to study non-linear optical effects. However, their rugged packaging means the UPM series is also well suited to emerging industrial applications for ultrafast lasers including semiconductor metrology and precision materials processing. Newport is already established in all these applications thanks to the company’s ultrafast expertise and a large offering of components and instruments targeted specifically at ultrafast laser users.

The UPM series utilize the GRENOUILLE variant of FROG (Frequency Resolved Optical Gating) pioneered by researchers at the Georgia Institute of Technology. This technique relies on a novel optical arrangement and an internal array detector to provide information on both pulse intensity and phase as a function of time, wavelength, and location within the beam. In addition to its robust operational simplicity, the GRENOUILLE method is unique in its ability to discern spatial and temporal distortions in addition to the overall shape and duration of ultrafast laser pulses.

Newport Corp.

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