GAIN-NARROWING AND GAIN-SHIFTING OF ULTRA-SHORT PULSES IN TI-SAPPHIRE AMPLIFIERS

摘要

We have developed a simple model for chirped-pulse titanium:sapphire amplification that includes gain narrowing and gain shifting effects. We analyse the spectral limitation in ultra-short pulse amplification and compare two different kinds of pre-amplifiers: multi-pass and regenerative amplifiers. We compare the model to multi-pass Ti:sapphire amplifier measurements using different input bandwidths. [References: 18]