In various embodiments, laser resonator modules produce output beams via manipulation of input beams on opposite sides of the module. The input beams are emitted by one or more beam emitters that may be cooled using a liquid coolant cavity. The liquid coolant cavity may be isolated from optical elements utilized to manipulate the input beams, at least in part, by an isolation wall protruding from the base plate of the resonator module.

Disclosed is a laser device including: a rod-shaped laser medium extending in a first direction; a first light source unit including a first base having a first notch through which the laser medium passes and a plurality of excitation light sources attached to the first base; and a holder supporting the laser medium and the first light source unit. At least one of the first base and the holder includes a first regulating part configured to regulate a position of the first base with respect to the holder.

Disclosed is a laser device includes: a rod-shaped laser medium extending in a first direction; a first light source unit including a first base and a plurality of excitation light sources; a second light source unit arranged side by side with the first light source unit in a second direction intersecting with the first direction, the second light source unit including a second base and a plurality of excitation light sources; and a holder supporting the laser medium, the first light source unit, and the second light source unit. At least one of the first base and the holder includes a first regulating part configured to regulate a position of the first base with respect to the holder, and at least one of the second base and the holder includes a second regulating part configured to regulate a position of the second base with respect to the holder.

A laser-enhanced chemical vapor deposition transport system includes a resistive heated crucible and, projecting from the crucible at a first end, a plurality of spokes. The spokes are configured to deliver, substantially simultaneously, vaporized and/or sublimated media powder from the crucible to a plurality of deposition sites, deliver precursor gasses to the deposition sites and propagate beams emitted from one or more laser sources to the deposition sites.

An extreme ultraviolet light generation apparatus includes a first light source outputting first excitation light, a laser oscillator including an active medium and performing laser oscillation by irradiating the active medium with the first excitation light to output the laser light, a measurement instrument measuring a pulse energy and a pulse time width of the laser light, a temperature regulator that adjusts a temperature of a cooling medium that cools the first light source, and a processor. The processor controls the temperature regulator to adjust the temperature of the cooling medium so that the pulse energy measured by the measurement instrument falls within a target range of the pulse energy, and adjust a current value of a current supplied to the first light source so that the pulse time width measured by the measurement instrument falls within a target range of the pulse time width.

A chamber device includes an inner housing including a passage port through which light generated by excitation of laser gas at an internal space thereof passes, an outer housing surrounding at least a part of the inner housing from a lateral side of a travel direction of the light, and a partition wall arranged between the inner housing and the outer housing and fixed to the inner housing and the outer housing.

Apparatuses and methods are disclosed for applying laser energy having desired pulse characteristics, including a sufficiently short duration and/or a sufficiently high energy for the photomechanical treatment of skin pigmentations and pigmented lesions, both naturally-occurring (e.g., birthmarks), as well as artificial (e.g., tattoos). The laser energy may be generated with an apparatus having a resonator with a sub-nanosecond round trip time.

An amplifier assembly may include a first heat sink plate that includes a first channel, a second heat sink plate that includes a second channel, and an amplifier rod disposed in the first channel and the second channel. The second heat sink plate may be connected with the first heat sink plate such that the first channel and the second channel align. The amplifier rod may be connected to the first heat sink plate and the second heat sink plate by a non-eutectic solder.

A surgical laser system includes a pump module configured to produce pump energy within an operating wavelength, a gain medium configured to convert the pump energy into first laser energy, a non-linear crystal (NLC) configured to convert a portion of the first laser energy into second laser energy, which is a harmonic of the first laser energy, an output, and a first path diversion assembly having first and second operating modes. When the first path diversion assembly is in the first operating mode, the first laser energy is directed along the output path to the output, and the second laser energy is diverted from the output path and the output. When the first path diversion assembly is in the second operating mode, the second laser energy is directed along the output path to the output, and the first laser energy is diverted from the output path and the output.

Apparatus and methods for producing ultrashort optical pulses are described. A high-power, solid-state, passively mode-locked laser can be manufactured in a compact module that can be incorporated into a portable instrument. The mode-locked laser can produce sub-50-ps optical pulses at a repetition rates between 200 MHz and 50 MHz, rates suitable for massively parallel data-acquisition. The optical pulses can be used to generate a reference clock signal for synchronizing data-acquisition and signal-processing electronics of the portable instrument.