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US 11,444,428 B2Granted
Laser systems and related methods
AssigneeCandela Corporation
InventorsJayant D. Bhawalkar, Xiaoming Shang
Life of this patent
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Abstract
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.
Claims21
A high-energy sub-nanosecond laser system comprising:
- a pump laser operable to generate a pump laser beam;
- a seed laser operable to receive the pump laser beam and to generate a seed laser beam;
- an optical fiber operable to receive the pump laser beam and the seed laser beam;
- and
- an amplifier coupled to the optical fiber and operable to receive the seed laser beam and the pump laser beam from the optical fiber,
- wherein the pump laser is operable to simultaneously deliver the pump laser beam directly to both the seed laser and the amplifier to support automatic synchronization of the seed laser and the amplifier.
3 more elements
A high-energy sub-nanosecond laser system comprising:
- an amplifier;
- an optical fiber coupled to the amplifier;
- a seed laser operable to receive a pump laser beam generated by a pump laser and generate a seed laser beam;
- wherein the optical fiber is operable to receive the seed laser beam and the pump laser beam and transmit the seed laser beam and the pump laser beam to the amplifier, and wherein the pump laser is operable to simultaneously deliver the pump laser beam directly to both the seed laser and the amplifier to support automatic synchronization of the seed laser and the amplifier.
1 more element
A high-energy sub-nanosecond laser system comprising:
- a pump laser operable to generate a pump laser beam;
- a seed laser operable to receive the pump laser beam and to generate a seed laser beam;
- an optical fiber operable to receive the pump laser beam and the seed laser beam;
- and
- a treatment handpiece comprising an amplifier and a pump beam shaping element operable to receive the seed laser beam and pump energy from the optical fiber,
- wherein the pump laser, seed laser, and the optical fiber are located outside of the treatment handpiece, and
- wherein the pump laser is operable to simultaneously deliver the pump laser beam directly to both the seed laser and the amplifier to support automatic synchronization of the seed laser and the amplifier.
4 more elements
Dependencies are inferred from the claim text.