1. An optical fiber structure with a filtering thin film, comprising:
a first fiber-solder-ferrule, having a first through hole and a first contact surface;
a first fiber segment, disposed into the first through hole and extending to the first contact surface, wherein a first interface coupling material is located in the first through hole between the first fiber-solder-ferrule and the first fiber segment;
a second fiber-solder-ferrule, having a second through hole and a second contact surface;
a second fiber segment, disposed into the second through hole and extending to the second contact surface, wherein a second interface coupling material is located in the second through hole between the second fiber-solder-ferrule and the second fiber segment, wherein the first contact surface and the second contact surface are parallel to each other and have a tilt angle towards a perpendicular cross-section of the first fiber segment; and
a filtering thin film, disposed between the first contact surface and the second contact surface, wherein the first fiber segment and the second fiber segment are aligned with each other.
2. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the materials of the first interface coupling material and the second interface coupling material are silicate or sol-gel.
3. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the filtering thin film comprises:
an optical thin film, plated on the first contact surface; and
an adhesion layer, disposed on the second contact surface and adhering to the
filtering thin film.
4. The optical fiber structure with a filtering thin film as claimed in claim 3, wherein a total thickness of the filtering thin film and the adhesion layer has an upper limit value:
Lcore*\u03b8NA*5%3,
wherein Lcore represents the diameter of a core fiber of the first fiber segment and \u03b8NA represents an angle of numerical aperture of the core fiber relative to a cladding fiber of the first fiber segment.
5. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the filtering thin film comprises a silicon oxide film layer and an adhesion layer in contact, and the adhesion layer is for coupling the first fiber-solder-ferrule with the second fiber-solder-ferrule.
6. The optical fiber structure with a filtering thin film as claimed in claim 5, wherein the material of the adhesion layer is silicate or sol-gel.
7. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein an incident angle of the first fiber segment is not greater than \u03b8NA, wherein \u03b8NA is an angle of numerical aperture of a core fiber of the first fiber segment relative to a cladding fiber.
8. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the tilt angle of the first contact surface is to make the light incident from the first fiber segment substantially reflected.
9. The optical fiber structure with a filtering thin film as claimed in claim 8, wherein the tilt angle of the first contact surface is about 0\xb0-8\xb0.
10. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the tilt angle of the first contact surface is to make the light incident from the first fiber segment go through the second fiber segment and polarized.
11. The optical fiber structure with a filtering thin film as claimed in claim 10, wherein the tilt angle of the first contact surface is about 30\xb0-78\xb0.
12. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the tilt angle of the first contact surface is to make the light incident from the first fiber segment substantially allowed to partially go through the first contact surface and enter the second fiber segment, wherein the going through light occupies only a waveband of the incident light.
13. The optical fiber structure with a filtering thin film as claimed in claim 12, wherein the tilt angle of the first contact surface is about 8\xb0-70\xb0.
14. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the first contact surface and the second contact surface are respectively a lapped surface.
15. The optical fiber structure with a filtering thin film as claimed in claim 14, wherein the filtering thin film comprises at least an optical thin film contacting the first contact surface, and the thickness of the optical thin film is about less than 120 nm.
16. The optical fiber structure with a filtering thin film as claimed in claim 1, wherein the filtering thin film comprises:
a plurality of layers of optical thin films having a front optical thin film contacting the first contact surface and a rear optical thin film; and
an adhesion layer, located between the rear optical thin film and the second contact surface and functioning to make the first fiber-solder-ferrule and the second fiber-solder-ferrule fixed by each other.
17. The optical fiber structure with a filtering thin film as claimed in claim 16, wherein the material of the adhesion layer is silicate or sol-gel.
18. The optical fiber structure with a filtering thin film as claimed in claim 16, wherein the thickness of the optical thin film is about greater than 120 nm.
19. An optical fiber structure with a filtering thin film, comprising:
a fiber-solder-ferrule, having a through hole and an end-face;
a fiber, disposed into the through hole and extending to the end-face, wherein there is an interface coupling material located in the through hole between the fiber-solder-ferrule and the fiber; and
a filtering thin film, disposed on the end-face,
wherein the end-face has an angle towards a perpendicular cross-section of the fiber-solder-ferrule.
20. The optical fiber structure with a filtering thin film as claimed in claim 19, wherein the included angle between the end-face and the perpendicular cross-section is specified within a range so that the most part of the incident light from the fiber is reflected by the filtering thin film.
21. The optical fiber structure with a filtering thin film as claimed in claim 20, wherein the angle range is about 0\xb0-8\xb0.
22. The optical fiber structure with a filtering thin film as claimed in claim 20, wherein the outermost layer of the filtering thin film is silicon oxide film.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A compressor comprising:
a driving shaft to which a swash plate rotating in a swash plate chamber inside the compressor is inclinedly combined;
front and rear cylinder blocks respectively having shaft support holes to which the driving shaft is rotatably mounted, and a plurality of the cylinder bores formed at both sides of the swash plate chamber;
a plurality of pistons mounted on the outer periphery of the swash plate in such a manner as to interpose a shoe between the piston and the swash plate, for performing a reciprocating motion inside the cylinder bores while cooperating with the rotation of the swash plate;
front and rear housings coupled with both sides of the front and rear cylinder blocks and respectively having suction chambers and discharge chambers formed therein;
valve units interposed between the front and rear cylinder blocks and the front and rear housings; and
a main refrigerant supply channel having a flow channel formed inside the driving shaft and suction passageways respectively formed in the front and rear cylinder blocks for fluidically communicating the shaft support holes and the cylinder bores with each other, the flow channel having an inlet located at the swash plate chamber and outlets respectively located at the shaft support holes of the front and rear cylinder blocks, whereby refrigerant inhaled in to the swash plate chamber from the outside can be supplied into the cylinder bores in order during the rotation of the driving shaft,
wherein an auxiliary refrigerant supply channel has a communication hole formed in at least one of the front and rear cylinder blocks and for fluidically communicating the swash plate chamber with the corresponding suction chamber of the suction chambers of the front and rear housings, and at least one slot formed in the driving shaft for fluidically communicating the outlets of the flow channel with the suction chambers.
2. The compressor according to claim 1, wherein the inlet of the flow channel is formed by perforating a side of a hub of the swash plate and a side of the driving shaft to be fluidically communicated with the swash plate chamber, and the outlets are fluidically communicated with the suction passageways of the front and rear cylinder blocks.
3. The compressor according to claim 1, wherein the slot is axially formed at a side of the outlet of the flow channel, in such manner as to be lopsidedly formed at the side of the outlet which starts to be fluidically communicated with the suction passageways during the rotation of the driving shaft.
4. The compressor according to claim 1, wherein at a side of cylinder blocks where the communication holes are formed communication paths for fluidically communicating the communication holes with the corresponding one of the suction chambers are also formed.
5. The compressor according to claim 1, wherein the suction chamber of the front housing is partitioned by a sealing member of the driving shaft and is a driving shaft inserting space where the driving shaft is rotatably mounted.