Device for testing a light-emitting optical device using a socket
View Patent ↗A tester according to the present invention can conduct a test on optical devices each having a different positional relation between a position of a contact face of an external contact terminal and a direction of light emitted from a semiconductor laser element.
1. A tester for an optical device, comprising:
a first board;
a socket mounted on said first board, for having an optical device thereon, said socket comprising a base and a cover;
said socket base comprising a terminal for contacting an external connection terminal of such optical device and having a through hole for allowing light emitted from the optical device to pass therethrough, and the socket base holding an optical filter at a midpoint of the through hole, between the optical device and the light receiving element; and
a light receiving element mounted on a top face of the first board at a position corresponding to the through hole of the socket;
wherein the socket base has a second optical filter located on a side portion of the top face thereof, and the first board has a second light receiving element mounted thereon.
2. The tester for an optical device according to claim 1 , wherein the socket base has a groove therein for holding therein the second optical filter in detachable manner.
3. The tester for an optical device according to claim 1 , wherein the cover comprises a third light receiving element and a third optical filter, each located at a position corresponding to the through hole.
4. The tester for an optical device according to claim 2 , wherein the cover comprises a third light receiving element and a third optical filter, each located at a position corresponding to the through hole.
5. A tester for an optical device, comprising:
a first board;
a socket mounted on said first board, for having an optical device thereon, said socket comprising a base and a cover;
said socket base comprising a terminal for contacting an external connection terminal of such optical device and having a through hole for allowing light emitted from the optical device to pass therethrough, and the socket base holding an optical filter at a midpoint of the through hole, between the optical device and the light receiving element; and
a light receiving element mounted on a top face of the first board at a position corresponding to the through hole of the socket;
wherein the socket base has a second optical filter and a second board each placed on a side portion of the top face thereof, the second board has a second light receiving element mounted thereon, and the socket base has a groove therein for holding therein the second optical filter and the second board in a detachable manner.
6. The tester for an optical device according to claim 5 , wherein the cover comprises a third light receiving element and a third optical filter, each located at a position corresponding to the through hole.
7. The tester for an optical device according to claim 5 , wherein the first board and the second board are electrically connected to each other.
8. A tester for an optical device, comprising:
a first board;
a socket mounted to the first board, for having an optical device thereon, said socket comprising a base and a cover;
said socket base comprising a terminal on its top surface, for contacting an external terminal of an optical device;
said socket base further comprising a groove in a side portion of a top surface of said base;
a second board detachably held in said groove;
a light receiving element mounted on said second board, for measuring an output of light emitted from the optical device; and
an optical filter located between the optical device and the light receiving element and detachably held in said groove.
9. The tester for an optical device according to claim 8 , wherein the cover comprises a second light receiving element and a second optical filter.
10. The tester for an optical device according to claim 8 , wherein the first board and the second board are electrically connected to each other.
11. A tester for an optical device, comprising;
a first board;
a socket mounted on said first board, for having an optical device thereon, said socket comprising a base and a cover;
said socket base comprising a terminal for contacting an external connection terminal of such optical device and having a through hole for allowing light emitted from the optical device to pass therethrough, and the socket base holding an optical filter at a midpoint of the through hole, between the optical device and the light receiving element; and
a light receiving element mounted on a top face of the first board at a position corresponding to the through hole of the socket;
wherein the cover comprises a second light receiving element and a second optical filter, each located at a position corresponding to the through hole.
12. A tester for an optical device, comprising;
a first board;
a socket mounted on said first board, for having an optical device thereon, said socket comprising a base and a cover;
a top surface of said socket base comprising a terminal for contacting an external connection of such optical device;
a light receiving element mounted on the first board and located at a side portion of the top surface of said socket base for measuring an output of light emitted from the optical device; and
an optical filter located between the optical device and the light receiving element at a side portion of the top surface of the socket base,
wherein the cover comprises a second light receiving element and a second optical filter.
13. A tester for an optical device, comprising;
a first board;
a socket mounted on said first board, for having an optical device thereon, said socket comprising a base and a cover;
a top surface of said socket base comprising a terminal for contacting an external connection of such optical device;
a light receiving element mounted on the first board and located at a side portion of the top surface of said socket base for measuring an output of light emitted from the optical device; and
an optical filter located between the optical device and the light receiving element at a side portion of the top surface of the socket base,
wherein the socket base has a groove therein for holding therein the optical filter in a detachable manner, and
the cover comprises a second light receiving element and a second optical filter.