Light emitting device with an optical fiber and a deformable support member for supporting the optical fiber

Claim 2

A light emitting device with an optical fiber comprising: (a) a stem having a pedestal portion; (b) a laser diode chip mounted on said pedestal portion of said stem; (c) supporting means for an optical fiber fixed on said stem, said supporting means having a hole and being deformable in three orthogonal directions; (d) a portion of the optical fiber being inserted into said hole and immovably fixed in said hole; and (e) said supporting means being deformed, after said portion of optical fiber is inserted into said hole and immovably fixed therein, and fixed in the three orthogonal directions to produce a maximum coupling of light from the laser diode chip to a photocoupled end part of said optical fiber.

Claim 3

A light emitting device in accordance with claim 1 wherein said supporting means includes a round rod-shaped member.

Claim 4

A light emitting device in accordance with claim 1 wherein said laser diode chip is a semiconductor laser diode chip.

Claim 5

A light emitting device in accordance with claim 1 wherein said end part of said optical fiber is polished with a taper.

Claim 6

A light emitting device in accordance with claim 1 wherein a resin fills said hole to fix the optical fiber therein.

Claim 7

A light emitting device in accordance with claim 1 wherein a silver paste fills said hole to fix the optical fiber therein.

Claim 8

A light emitting device in accordance with claim 1 wherein said supporting means and said stem are the same material.

Claim 9

A light emitting device with an optical fiber comprising: (a) attachment means; (b) supporting means for an optical fiber having a hole and being deformable in three orthogonal directions, said supporting means being mounted on the attachment means; (c) a light emitting means mounted on a portion of said attachment means; (d) a portion of the optical fiber being inserted into said hole and fixed immovably into said hole; and (e) said supporting means being deformed, after said portion of optical fiber is inserted into said hole and immovably fixed therein, and fixed in the three orthogonal directions to produce a maximum coupling of light from the light emitting means to a photocoupled end part of said optical fiber.

Claim 10

A light emitting device with an optical fiber comprising: (a) attachment means; (b) supporting means for an optical fiber having a hole and being deformable in three orthogonal directions, said supporting means being mounted on the attachment means; (c) a light emitting means mounted on a portion of said attachment means; (d) a portion of the optical fiber being inserted into said hole and fixed immovably into said hole; and (e) said supporting means being deformed, after said portion of optical fiber is inserted into said hole and immovably fixed therein, and fixed in the three orthogonal directions to produce a maximum coupling of light from the light emitting means to a photocoupled end part of said optical fiber.

Claim 11

A light emitting device in accordance with claim 8 wherein said supporting means includes a round rod-shaped member.

Claim 12

A light emitting device in accordance with claim 8 wherein said light emitting means is a semiconductor laser diode chip.

Claim 13

A light emitting device in accordance with claim 8 wherein said end part of said optical fiber is polished with a taper.

Claim 14

A light emitting device in accordance with claim 8 wherein a resin fills said hole to fix the optical fiber therein.

Claim 15

A light emitting device in accordance with claim 8 wherein a silver paste fills said hole to fix the optical fiber therein.

Claim 16

A light emitting device in accordance with claim 8, said supporting means and said attachment means are the same material.

Claim 17

A laser emitting device comprising: a housing base portion having a hollow portion, a wall portion and a guide hole provided in said wall portion; a laser diode chip means mounted on said housing base portion in said hollow portion; an optical fiber means for receiving a laser beam emitted from said laser diode chip means, said optical fiber means extending through said guide hole so that a tip of said optical fiber means is positioned adjacent said laser diode chip means; and support means for said optical fiber means fixed on said hollow portion and supporting said optical fiber means between said tip of said optical fiber means and said wall portion, said support means having an opening through which said optical fiber means extends, a portion of said optical fiber means inserted into said opening being immovably fixed by a fixing material within said opening, said support means being made of a plastically deformable material, said support means being bent after fixing to adjust an optimum position of a photocoupled end part of said optical fiber means relative to a laser beam emitting portion of said laser diode chip means so that an output from said optical fiber means is maximized.

Claim 18

A laser emitting device comprising: a housing base portion having a hollow portion, a wall portion and a guide hole provided in said wall portion; a laser diode chip means mounted on said housing base portion in said hollow portion; an optical fiber means for receiving a laser beam emitted from said laser diode chip means, said optical fiber means extending through said guide hole so that a tip of said optical fiber means is positioned adjacent said laser diode chip means; and support means for said optical fiber means fixed on said hollow portion and supporting said optical fiber means between said tip of said optical fiber means and said wall portion, said support means having an opening through which said optical fiber means extends, a portion of said optical fiber means inserted into said opening being immovably fixed by a fixing material within said opening, said support means being made of a plastically deformable material, said support means being bent after fixing to adjust an optimum position of a photocoupled end part of said optical fiber means relative to a laser beam emitting portion of said laser diode chip means so that an output from said optical fiber means is maximized.

Claim 19

A laser emitting device according to claim 15, wherein said laser diode chip means is a semiconductor laser diode chip.

Claim 20

A laser emitting device according to claim 15, wherein said photocoupled end part of said optical fiber means is polished with a taper.

Claim 21

A laser emitting device according to claim 15, wherein said fixing material is a silver paste.

Claim 22

A laser emitting device according to claim 15, wherein said support means includes a round rod-shaped member fixed on said hollow portion.

Claim 23

A laser emitting device according to claim 19, wherein said round rod-shaped member and said housing base portion are made of the same material.

Claim 24

A laser emitting device according to claim 19, wherein said round rod-shaped member has base and head parts thereof, wherein said opening is provided between said base part and said heat part, and wherein a length W1 between said opening and said base part is shorter than a length W2 between said opening and said head part.

Claim 25

A laser emitting device according to claim 19, wherein said round rod-shaped member has a base part, a head part and a narrow part which has a predetermined diameter smaller than a diameter of a remainder of said round rod-shaped member and wherein said narrow part is provided between said opening and said base part.

Claim 26

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, wherein said housing base portion has a main surface in said hollow portion; a laser diode chip which is mounted on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioned adjacent said at least one laser beam emitting region; support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base parts, said optical fiber extending through said opening and a portion of said optical fiber being inserted into said opening being immovably fixed to said support means by a fixing material, wherein said support means is a rod member made of a plastically deformable material; and wherein said rod member is inclined after fixing so that an optical axis of said laser beam emitted from said laser emitting region and a photocoupled end part of said optical fiber is at a position where an output from said optical fiber is maximized.

Claim 27

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, wherein said housing base portion has a main surface in said hollow portion; a laser diode chip which is mounted on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioned adjacent said at least one laser beam emitting region; support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base parts, said optical fiber extending through said opening and a portion of said optical fiber being inserted into said opening being immovably fixed to said support means by a fixing material, wherein said support means is a rod member made of a plastically deformable material; and wherein said rod member is inclined after fixing so that an optical axis of said laser beam emitted from said laser emitting region and a photocoupled end part of said optical fiber is at a position where an output from said optical fiber is maximized.

Claim 28

A laser emitting device according to claim 23, wherein said rod member and said housing base portion are made of the same material.

Claim 29

A laser emitting device according to claim 23, wherein said opening is provided so that a length W1 between said opening and said base part is shorter than a length W2 between said opening and said top part.

Claim 30

A laser emitting device according to claim 25, wherein said rod member is a round rod member, wherein said round rod member further includes a narrow part which has a predetermined diameter smaller than a diameter of a remainder of said round rod member, and wherein said narrow part is provided between said opening and said base part.

Claim 31

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, wherein said housing base portion has a main surface in said hollow portion; a laser diode chip which is mounded on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioned adjacent said at least one laser beam emitting region; and support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base parts, said optical fiber extending through said opening and a portion of said optical fiber being inserted into said opening and being immovably fixed to said support means by a fixing material, wherein said support means is a rod member made of a plastically deformable material; and said rod member is twisted after fixing to adjust a position of said tip of said optical fiber relative to said laser beam emitting region of said laser diode chip so that an output from said optical fiber is maximized.

Claim 32

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, wherein said housing base portion has a main surface in said hollow portion; a laser diode chip which is mounded on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioned adjacent said at least one laser beam emitting region; and support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base parts, said optical fiber extending through said opening and a portion of said optical fiber being inserted into said opening and being immovably fixed to said support means by a fixing material, wherein said support means is a rod member made of a plastically deformable material; and said rod member is twisted after fixing to adjust a position of said tip of said optical fiber relative to said laser beam emitting region of said laser diode chip so that an output from said optical fiber is maximized.

Claim 33

A laser emitting device according to claim 27, wherein said rod member and said housing base portion are made of the same material.

Claim 34

A laser emitting device according to claim 27, wherein said opening is provided so that a length W1 between said opening and said base part is shorter than a length W2 between said opening and said top part.

Claim 35

A laser emitting device according to claim 29 wherein said rod member is a round rod member, wherein said round rod member further includes a narrow part which has a predetermined diameter smaller than a diameter of a remainder of said round rod member, and wherein said narrow part is provided between said opening and said base part.

Claim 36

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, said housing base portion having amain surface in said hollow portion; a laser diode chip which is mounded on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioed adjacent said at least one laser beam emitting region; support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base part, said optical fiber extending through said opening and a portion of said optical fiber inserted into said opening being immovably fixed to said support means by a fixing material, said support means being a rod member made of a plastically deformable material; and said rod member being bent after fixing so that an optical axis of said laser beam emitted from said laser emitting region and a tip of said optical fiber are positioned so that an output from said optical fiber is maximized.

Claim 37

A laser emitting device comprising: a housing base portion which includes a hollow portion, a wall portion and a guide hole, said housing base portion having amain surface in said hollow portion; a laser diode chip which is mounded on said main surface and which has at least one laser beam emitting region for emitting a laser beam; an optical fiber for receiving said laser beam emitted from said laser diode chip and for transmitting the received laser beam to outside of said laser emitting device, said optical fiber extending through said guide hole so that a tip of said optical fiber is positioed adjacent said at least one laser beam emitting region; support means for said optical fiber fixed to said main surface, said support means being provided between said tip of said optical fiber and said wall portion and having a top part, a base part and an opening provided between said top and base part, said optical fiber extending through said opening and a portion of said optical fiber inserted into said opening being immovably fixed to said support means by a fixing material, said support means being a rod member made of a plastically deformable material; and said rod member being bent after fixing so that an optical axis of said laser beam emitted from said laser emitting region and a tip of said optical fiber are positioned so that an output from said optical fiber is maximized.

Claim 38

A laser emitting device according to claim 31, wherein said rod member and said housing base portion are made of the same material.

Claim 39

A laser emitting device according to claim 31, wherein said opening is provided so that a length W1 between between said opening and said top part.

Claim 40

A laser emitting device according to claim 33, wherein said rod member is a round rod member, wherein said round rod member further includes a narrow part which has a predetermined diameter smaller than a diameter of a remainder of said round rod member, and said narrow part is providied between said opening and said base part.