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US 10,297,969 B2Granted
Diode pumped high peak power laser system for multi-photon applications
AssigneeNewport Corporation
InventorsAndrei C. Florean, James D. Kafka
Life of this patent
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Abstract
The present application discloses various embodiments of a high peak power laser system which includes a diode pump source configured to directly pump at least one optical crystal positioned within the laser cavity, the diode pump source emitting at least one pump beam comprised of two or more vertically stacked optical signals having a wavelength from about 400 nm to about 1100 nm., the optical crystal configured to output at least one optical output having a wavelength of about 750 nm to about 1100 nm and having an output power of about 25 kW or more.
Claims13
A diode pumped high peak power laser system, comprising:
- at least one diode pump system configured to output at least one pump beam, the pump beam comprising two or more vertically stacked continuous wave pump signals having a wavelength from about 400 nm to about 1100 nm, wherein the diode pump system comprises a first diode source configured to output a first continuous wave diode signal and at least one second diode source configured to output a second continuous wave diode signal, the diode pump system further comprising at least one vertical cylindrical lens and at least one horizontal cylindrical lens in optical communication with the first diode source and the second diode source;
- at least one signal combiner positioned within the diode pump system, the signal combiner configured to receive and vertically position the first continuous wave diode signal and second continuous wave diode signal along a common vertical axis to produce at least one vertically stacked pump beam;
- at least one laser cavity formed by at least one high reflectivity mirror and at least one output coupler;
- at least one optical crystal positioned within the laser cavity and configured to be pumped by the pump beam, the optical crystal configured to output at least one output signal via at least one output coupler, the output signal having a wavelength of about 750 nm to about 1100nm, a repetition rate between about 30 MHz and about 100 MHz, and having an output power of about 25 kW or more;
- and
- at least one pulse compression system in optical communication with the at least one optical crystal.
3 more elements
A diode pumped high peak power laser system, comprising:
- at least one diode pump system comprising at least one vertical cylindrical lens and at least one horizontal cylindrical lens and configured to output at least one pump beam, the pump beam comprising two or more vertically stacked continuous wave diode signals having a wavelength from about 400 nm to about 1100 nm and having a repetition rate between about 30 MHz and 100 MHz, wherein the diode pump system comprises a first diode pump system configured to output a first diode source signal and at least a second diode pump system configured to output at least a second diode pump signal;
- at least one laser cavity formed by at least one high reflectivity mirror and at least one output coupler;
- at least one optical crystal positioned within the laser cavity, the optical crystal configured to be pumped by the pump beam from the diode pump system and output at least one output signal via at least one output coupler, the output signal having a wavelength of about 750 nm to about 1100 nm, having a repetition rate between about 30 MHz and 100 MHz and having an output power of about 25 kW or more, wherein the optical crystal is selected from the group consisting of Cr-doped crystals, Cr:LiCaF crystals, Cr:LiSaF crystals, Cr:LiSGaF crystals, Cr:LiSCaGaF crystals, Cr:LiSCaF crystals, Cr:LiCaAlF crystals, Cr:LiSrAlF crystals, Cr+3:
- BeAl2O4 crystals, Cr+3:Be3Al2(SiO3)6 crystals, Alexandrite crystals, and Ti:sapphire crystals;
- and
- at least one pulse compression system in optical communication with the at least one optical crystal.
3 more elements
Dependencies are inferred from the claim text.