What is a ultrashort pulse laser?
Lasers with pulse durations on the order of picoseconds (10^-12 seconds) or femtoseconds (10^-15 seconds) are called ultrashort pulse lasers.
Among laser light, those that repeatedly blink at short intervals are called "pulse lasers." Among them, lasers with a short emission time (duration), particularly those in the pico (10^-12) second or femto (10^-15) second range, are referred to as ultra-short pulse lasers. The processing technology developed by later Nobel Prize-winning techniques In 2018, Dr. Gérard Mourou and Dr. Donna Strickland, who devised and demonstrated a method called CPA (Chirped Pulse Amplification), were awarded the Nobel Prize in Physics. This was 33 years after the first paper was published in 1985. While the details are omitted here, this technology significantly contributed to the development of short pulse and high intensity in pulse lasers. By the 1990s, ultra-short pulse laser processing began to be actively researched in research institutions around the world. From the 2010s, fiber laser-excited ultra-short pulse lasers became commercially available as industrial lasers. The laser oscillators we have introduced are these industrial picosecond and femtosecond lasers.
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