A dynamic, thermally-adaptive cuboid laser crystal mount is provided that is suitable for use with end-pumped, conductively-cooled solid state lasers. Various embodiments may provide a mount for supporting a cuboid rod host crystal for an end-pumping solid state laser. Various embodiments may solve laser crystal stress problems typically experienced in end-pumped solid state lasers. Various embodiments may also provide access to the crystal end surfaces for pumping and enable and maintain sturdy alignment of the crystal with continuous and uniform surface contact between the mount and the crystal. Various embodiments of mounts may provide a compact conductive cooling configuration compatible with any heat sink reservoir, controlling and maintaining a stable crystal temperature, thus avoiding thermally induced mechanical stresses. Various embodiment mounts may thereby further extend the fracture threshold of the laser crystal.

A MOPA laser system that includes a seed laser configured to output pulsed laser light, an amplifier configured to receive and amplify the pulsed laser light emitted by the seed laser; and a pump laser configured to deliver a pump laser beam to both the seed laser and the amplifier and a variable attenuator configured to eliminate missing Q-switched pulses.

A laser device is provided that includes an element made of laser-active material and a cladding element bonded to the element so as to allow heat exchange by heat conduction between the cladding element and the element. The laser-active material emitting laser light when excited by pump light. The element being made of a glass. The cladding element being made of a material that exhibits an absorption coefficient for the pump light that is lower than a corresponding absorption coefficient of the glass. The element and cladding element being configured so that the pump light can be directed through the cladding element into the element and/or so that the pump light can be directed through the element into the cladding element.

A microchip laser and a handpiece including the microchip laser. The microchip laser includes a laser medium with input and output facets. The input facet is coated with a highly reflective dielectric coating at microchip laser wavelength and highly transmissive at pump wavelength. The output facet is coated with a partially reflective at microchip laser wavelength dielectric coating. A saturable absorber attached by intermolecular forces to output facet of microchip laser. A handpiece for skin treatment includes the microchip laser.

A solid-state laser amplifier includes a core material providing an active gain medium. A cladding material is on the core material that is the same material as the core material that further comprises a broadband absorber material. The cladding material suppresses transverse oscillations in solid-state, single-crystal or ceramic laser amplifiers by employing a native-material, solid-state, index-matched cladding containing an appropriate broadband absorber.

A MOPA laser system that includes a seed laser configured to output pulsed laser light, an amplifier configured to receive and amplify the pulsed laser light emitted by the seed laser; and a pump laser configured to deliver a pump laser beam to both the seed laser and the amplifier and a variable attenuator configured to eliminate missing Q-switched pulses.

In a planar waveguide laser device (1), a substrate (6) is joined to the upper surface of a waveguide (2). A recess (6a) having a chamfered shape is formed along an edge of an end facet of the substrate (6) on the side of the waveguide (2), the end facet being perpendicular to the direction of laser oscillation. An end facet of the waveguide (2) perpendicular to the oscillation direction of laser light is covered with a coating (7). A wraparound portion (7a) continuing from the coating (7) covers the upper surface of the waveguide (2) facing the recess (6a) of the substrate (6).

A light source for an imaging system. The light source includes a microresonator laser array having opposing mirrors arranged substantially parallel to one another. A laser gain medium is between the opposing mirrors. An array of microrefractive elements is arranged to stabilize the microresonator. A pump laser's output is shaped by a lens that directs it toward the micro-resonator laser array. An output lens directs a plurality of laser beams from the microresonator laser array to be incoherently combined at an object to be illuminated.

A microchip laser and a handpiece including the microchip laser. The microchip laser includes a laser medium with input and output facets. The input facet is coated with a highly reflective dielectric coating at microchip laser wavelength and highly transmissive at pump wavelength. The output facet is coated with a partially reflective at microchip laser wavelength dielectric coating. A saturable absorber attached by intermolecular forces to output facet of microchip laser. A handpiece for skin treatment includes the microchip laser.

An optical element includes an optical material including a first edge and an opposing second edge. The optical element further includes a plurality of micro-channels arranged within the optical material. Each of the micro-channels of the plurality of micro-channels extends from the first edge to the second edge of the optical material.