Diode-pumped Nd:YLF rod lasers with high energy (50 to 100 mJ) and high beam quality

High-power cryogenically-cooled Yb:YAG lasers

ZGP OPO injection seeded with a quantum cascade laser, OPO pumped by a Q-switched 2 um Tm:YLF laser, which was pumped by a quasi-CW 1940 nm Tm:YALO laser

Wavelength beam combining of diode lasers

Coherent beam combining of fiber amplifiers

Q-switched 1 um lasers with a GRM unstable resonator

Near-degenerate 2 um OPOs operated with reflective Bragg gratings (RBGs) for spectral narrowing

Theory and modeling of quasi-3-level (Q3L) laser oscillators and amplifiers, including Q-switched lasers. Design, build, test Q3L oscillators and amplifiers.

Characterization of high-power diode laser bars equipped with volume Bragg gratings (VBGs)

High power (watt-level) red, green, blue DPSSLs for laser projection displays

Speckle reduction methods for laser projection displays

LCD backlights with RGB laser diodes

High-power 1D and 2D diode laser arrays, and related direct-diode laser systems, including fiber-coupled laser diode arrays

Design, construction, testing of diode-pumped solid-state laser oscillators and master-oscillator power-amplifier (MOPA) systems, including Nd:YAG, Nd:YLF, and Nd:YVO4; Tm:YALO; and Ho:YAG / YLF

Passively Q-switched microchip laser oscillator and MOPA lasers (design, build, test)

Sub-nanosecond EO Q-switched oscillators and MOPAs

Tunable visible, near-IR, and mid-IR optical parametric oscillators and amplifiers (OPO/OPAs), including: 1064-nm-pumped KTA and PPRTA; 1064-nm-pumped PPLN and PPSLT; Er:YSGG-pumped CdSe; 532-pumped LBO; and 355-pumped BBO/LBO OPOs

532-pumped titanium sapphire lasers (gain-switched)

Harmonic and UV generation (SHG, 3HG, 4HG, 5HG)

Sum-frequency generation (red, blue, near-UV)

Laser-induced-fluorescence (LIF) spectroscopy

Lamp-pumped lasers, including Nd:YAG, Er:YAG, Er,Cr:YSGG, THC:YAG, and alexandrite

Medical lasers and applications

Laser beam delivery optical trains

Fiber optic laser power delivery, including 1-, 2-, and 3-micron laser energy

Some experience in picosecond lasers, optically-pumped semiconductor lasers, external-cavity VCSEL diode lasers, and tunable coupled-cavity diode lasers using Vernier effect tuning

Basic analog, digital, and microprocessor electronics