title: An extended cavity diode-pumped femtosecond Yb:KGW laser for applications in optical DNA sensor technology based on fluorescence lifetime measurements.
abstract: A reliable and power-scalable extended cavity diode-pumped passively mode-locked Yb:KGW laser generating ~200 fs long pulses at a repetition rate of 15 MHz was developed and characterized. The laser delivered up to 150 mW of average power at fundamental wavelength of 1040 nm, corresponding to a pulse energy of 10 nJ. The laser radiation was frequency-doubled in a single pass configuration within a nonlinear BIBO crystal to produce femtosecond green radiation at 520 nm with peak power of ~200 W. The generated second harmonic served as excitation source for optical DNA biosensor based on fluorescence lifetime measurements obtained using the time-correlated single photon counting technique.
authors.forename: Arkady
authors.initials: A
authors.lastname: Major
authors.forename: Virginijus
authors.initials: V
authors.lastname: Barzda
authors.forename: Paul A E
authors.initials: PA
authors.lastname: Piunno
authors.forename: Sergei
authors.initials: S
authors.lastname: Musikhin
authors.forename: Ulrich J
authors.initials: UJ
authors.lastname: Krull