Method for manufacturing optical device, method for manufacturing laser device, method for adjusting beam quality of laser device
AssigneeFujikura Ltd.
InventorsToshio Mouri, Masahiro Kashiwagi
Life of this patent
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Abstract
An optical device 30 has a GRIN lens 35, a preceding-stage optical fiber 31 from which a light beam is entered to the GRIN lens 35, and a subsequent-stage optical fiber 32 to which a light beam emitted from the GRIN lens 35 is entered. A method for adjusting beam quality includes a measurement process P2 in which a light beam is entered to the preceding-stage optical fiber 31 and the beam quality of a light beam to be emitted from the subsequent-stage optical fiber 32 through the GRIN lens 35 is measured, and an adjustment process P3 in which the length of the GRIN lens 35 is adjusted on the basis of a result in the measurement process P2.
Claims13
A method for manufacturing an optical device having a GRIN lens, a preceding-stage optical fiber from which a light beam is entered to the GRIN lens, and a subsequent-stage optical fiber to which a light beam emitted from the GRIN lens is entered, the method comprising:
- a measurement process in which a light beam is entered to the preceding-stage optical fiber and beam quality of a light beam to be emitted from the subsequent-stage optical fiber through the GRIN lens is measured;
- and
- an adjustment process in which a length of the GRIN lens is adjusted on the basis of a result in the measurement process.
A method for manufacturing a laser device including
- an optical device having a GRIN lens, a preceding-stage optical fiber from which a light beam is entered to the GRIN lens, and a subsequent-stage optical fiber to which a light beam emitted from the GRIN lens is entered, and
- a light source configured to emit a light beam to be entered to the preceding-stage optical fiber, the method comprising:
- a measurement process in which a light beam is entered from the light source to the preceding-stage optical fiber and beam quality of a light beam to be emitted from the subsequent-stage optical fiber through the GRIN lens is measured;
- and
- an adjustment process in which a length of the GRIN lens is adjusted on the basis of a result in the measurement process.
A method for adjusting beam quality of a laser device including
- an optical device having a GRIN lens, a preceding-stage optical fiber from which a light beam is entered to the GRIN lens, and a subsequent-stage optical fiber to which a light beam emitted from the GRIN lens is entered, and
- a light source configured to emit a light beam to be entered to the preceding-stage optical fiber, the method comprising:
- a measurement process in which a light beam is entered from the light source to the preceding-stage optical fiber and beam quality of a light beam to be emitted from the subsequent-stage optical fiber through the GRIN lens is measured;
- and
- an adjustment process in which a length of the GRIN lens is adjusted on the basis of a result in the measurement process.
Dependencies are inferred from the claim text.