title: Blue-green (450-nm) upconversion Tm(3+):YLF laser.
abstract: We report an upconversion laser that is pumped by two colors-one red and one near infrared-and emits in the blue-green region.
authors.forename: D C
authors.initials: DC
authors.lastname: Nguyen
authors.forename: G E
authors.initials: GE
authors.lastname: Faulkner
authors.forename: M
authors.initials: M
authors.lastname: Dulick