title: Chirp-free nanosecond laser amplifier for precision spectroscopy.
abstract: We describe a simple method for greatly reducing optical phase perturbations in a nanosecond pulsed dye amplifier. The laser dye mix is tailored to produce a susceptibility near zero at the operating wavelength. Frequency shifts are reduced to less than 3 MHz, and frequency chirping to less than 10 MHz, without significant loss of amplified power. This technique has been used to improve the accuracy of precision far-UV wavelength measurements in H(2) to ~7 parts in 10(9).
authors.forename: E E
authors.initials: EE
authors.lastname: Eyler
authors.forename: A
authors.initials: A
authors.lastname: Yiannopoulou
authors.forename: S
authors.initials: S
authors.lastname: Gangopadhyay
authors.forename: N
authors.initials: N
authors.lastname: Melikechi