Article | REF: E6515 V1

Chirped Pulse Amplification (CPA)

Author: Emmanuel HUGONNOT

Publication date: October 10, 2019, Review date: April 12, 2021

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4. Some examples of CPA systems

A typical CPA system consists of 4 basic elements: an oscillator, a stretcher, an amplifier chain and a compressor. Depending on the objectives sought, a multitude of configurations can be envisaged. Far from being exhaustive, the aim of this paragraph is to briefly present a few significant CPA systems, taken from the literature, and representative of the advantages of this technology.

4.1 CPA Ti system: sapphire

Ti:sapphire-based amplification is a mature technology, and many CPA systems routinely delivering ultrashort pulses (< 50 fs) are commercially available. Figure 20 shows an example of systems in the average power range above 10 W. A mode-locked...

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Some examples of CPA systems