|Application Note of Spectroscopy Experiments with High OPA Pulse Stability (Quantronix)|
|ㆍ작성일: 2011-11-04 (금) 16:27||ㆍ조회: 257|
APPLICATION FOCUS: SPECTROSCOPY EXPERIMENTS WITH HIGH OPA PULSE STABILITY
Various spectroscopic techniques, such as Transient Absorption Spectroscopy, Femtosecond Stimulated Raman Spectroscopy and Carrier-Envelope Phase sensitive measurements require a high level of pulse-to-pulse laser stability.
The Quantronix Palitra-FS Optical Parametric Amplifier (OPA) demonstrates excellent pulse-to-pulse stability over its entire Signal tuning range. Our pioneering use of non-hygroscopic, high-nonlinearity BIBO crystals as the nonlinear optical parametric medium results in an instrument guaranteed to provide high conversion efficiencies while maintaining an excellent pulse stability that ensures optimum data acquisition over the shortest time possible.
The following diagram demonstrates the high stability of the Palitra-FS output in the 1100-1900 nm signal tuning range, with good stability up to 2200 nm. As an example, the inset shows the pulse-to-pulse statistical histogram of 22,000 adjacent laser pulses from a Palitra-FS at 1500 nm when pumped by a Quantronix Integra-C femtosecond amplifier. The RMS stability of both the Palitra output and the Integra-C amplifier is ~0.5%.
RMS stability of Palitra-FS output over the signal tuning range. Inset: Pulse-to-pulse histogram of RMS stability at 1500 nm