An optical switch (16) for alternatively redirecting a source beam (14) includes a director assembly (18) that is selectively moveable between (i) a first switch position (350), (ii) a second switch position (352), and (iii) a dual switch position (354). In the first switch position (350), the sourc
An optical switch (16) for alternatively redirecting a source beam (14) includes a director assembly (18) that is selectively moveable between (i) a first switch position (350), (ii) a second switch position (352), and (iii) a dual switch position (354). In the first switch position (350), the source beam (14) passes to a first port (36). In the second switch position (352), the source beam (14) is directed to a second port (38). In the dual switch position (354), the director assembly (18) splits the source beam (14) into a first beam part (314A) that is directed to the first port (36), and a second beam part (314B) that is directed to the second port (38).
대표청구항▼
1. An optical switch that receives a source beam directed along an input axis and alternatively directs the source beam to a first port, a second port, or split to the first port and the second port, the optical switch comprising: a director assembly that is selectively moveable between (i) a first
1. An optical switch that receives a source beam directed along an input axis and alternatively directs the source beam to a first port, a second port, or split to the first port and the second port, the optical switch comprising: a director assembly that is selectively moveable between (i) a first switch position in which the source beam passes to the first port, (ii) a second switch position in which the director assembly directs the source beam to the second port, and (iii) a dual switch position in which the director assembly splits the source beam into a first beam part that is directed to the first port, and a second beam part that is directed to the second port. 2. The optical switch of claim 1 wherein the director assembly includes a second port redirector that redirects the source beam to the second port when the director assembly is in the second switch position, and a dual port redirector that splits the source beam and directs the first beam part to the first port and the second beam part to the second port when the director assembly is in the dual switch position. 3. The optical switch of claim 2 wherein in the second switch position, the second port redirector is positioned in the path of the source beam, and wherein in the dual switch position, the dual port redirector is positioned in the path of the source beam. 4. The optical switch of claim 3 wherein the second port redirector includes (i) an input reflective surface that is positioned in the path of the source beam along the input axis when the director assembly is in the second switch position, and (ii) an output reflective surface that is substantially parallel to and spaced apart from the input reflective surface, the input reflective surface being fixedly coupled to the output reflective surface; and wherein the dual port redirector includes (i) a beam splitter that is positioned in the path of the source beam along the input axis when the director assembly is in the dual switch position, the beam splitter splitting the source beam into the first beam part that transmits through the beam splitter to the first port, and the second beam part that is reflected off of the beam splitter, and (ii) an exit reflective surface that is substantially parallel to and spaced apart from the beam splitter, the beam splitter being fixedly coupled to the exit reflective surface. 5. The optical switch of claim 4 wherein the beam splitter includes (i) a splitter element that splits the source beam into the first beam part and the second beam part, and (ii) a compensator that adjusts the direction of the first beam part after it exits the splitter element. 6. The optical switch of claim 1 wherein the director assembly is positioned away from input axis and the path of the source beam when the director assembly is in the first switch position. 7. The optical switch of claim 1 further comprising a director mover that selectively moves the director assembly about a director axis between the first switch position, the second switch position, and the dual switch position; wherein the director axis is substantially parallel to the input axis. 8. The optical switch of claim 1 further comprising a director mover that selectively moves the director assembly about a director axis between the first switch position, the second switch position, and the dual switch position; wherein the director axis is substantially perpendicular to the input axis. 9. The optical switch of claim 1 further comprising a locking assembly that selectively locks the director assembly at the first switch position, at the second switch position, and at the dual switch position. 10. A light assembly comprising a light source that generates a source beam directed along an input axis, and the optical switch of claim 1 that alternatively directs the source beam to a first port, a second port, or splits the source beam to the first port and the second port. 11. An optical switch that receives a source beam directed along an input axis and alternatively directs the source beam, the optical switch comprising: a director assembly that is selectively moveable between (i) a first switch position in which the source beam is directed along a first port axis that is substantially coaxial with the input axis, (ii) a second switch position in which the source beam is directed to a second port axis that is parallel to and spaced apart from the input axis, and (iii) a dual switch position in which the source beam is split into a first beam part that is directed along the first beam axis, and a second beam part that is directed along the second beam axis. 12. The optical switch of claim 11 wherein the director assembly includes a second port redirector that redirects the source beam to the second port when the director assembly is in the second switch position, and a dual port redirector that splits the source beam and directs the first beam part to the first port and the second beam part to the second port when the director assembly is in the dual switch position. 13. The optical switch of claim 12 wherein in the second switch position, the second port redirector is positioned in the path of the source beam, and wherein in the dual switch position, the dual port redirector is positioned in the path of the source beam. 14. The optical switch of claim 13 wherein the second port redirector includes (i) an input reflective surface that is positioned in the path of the source beam along the input axis when the director assembly is in the second switch position, and (ii) an output reflective surface that is substantially parallel to and spaced apart from the input reflective surface, the input reflective surface being fixedly coupled to the output reflective surface; and wherein the dual port redirector includes (i) a beam splitter that is positioned in the path of the source beam along the input axis when the director assembly is in the dual switch position, the beam splitter splitting the source beam into the first beam part that transmits through the beam splitter to the first port, and the second beam part that is reflected off of the beam splitter, and (ii) an exit reflective surface that is substantially parallel to and spaced apart from the beam splitter, the beam splitter being fixedly coupled to the exit reflective surface. 15. An optical switch that alternatively directs a source beam to a first port, a second port, or split to the first port and the second port, the optical switch comprising: a director assembly including a redirector periscope and a split periscope, the director assembly being selectively moveable between (i) a first switch position in which the source beam passes to the first port, (ii) a second switch position in which the redirector periscope is positioned in the path of the source beam to redirect the source beam to the second port, and (iii) a dual switch position in which the split periscope is positioned in the path of the source beam to split the source beam into a first beam part that is directed to the first port and a second beam part that is directed to the second port. 16. The optical switch of claim 15 wherein the redirector periscope includes (i) an input reflective surface that is positioned in the path of the source beam along the input axis when the director assembly is in the second switch position, and (ii) an output reflective surface that is substantially parallel to and spaced apart from the input reflective surface, the input reflective surface being fixedly coupled to the output reflective surface; and wherein the split periscope includes (i) a beam splitter that is positioned in the path of the source beam along the input axis when the director assembly is in the dual switch position, the beam splitter splitting the source beam into the first beam part that transmits through the beam splitter to the first port, and the second beam part that is reflected off of the beam splitter, and (ii) an exit reflective surface that is substantially parallel to and spaced apart from the beam splitter, the beam splitter being fixedly coupled to the exit reflective surface. 17. A light assembly comprising (i) a light source that generates a source beam directed along an input axis, (ii) the optical switch of claim 16 that alternatively directs the source beam to a first port, a second port, or splits the source beam to the first port and the second port, (iii) a mounting base that fixedly retains the light source and the optical switch, (iv) a first optical fiber fixedly secured to the mounting base near the first port, the first optical fiber having a fiber inlet that is substantially coaxial with the input axis, and (v) a second optical fiber fixedly secured to the mounting base near the second port, the second optical fiber having a fiber inlet that is substantially coaxial with a second port axis that is parallel to the input axis. 18. A method for directing a source beam directed along an input axis to a first port, a second port, or split to the first port and the second port, the method comprising the step of: selectively moving a director assembly between (i) a first switch position in which the source beam passes to the first port, (ii) a second switch position in which the source beam is directed to the second port, and (iii) a dual switch position in which the director assembly splits the source beam into a first beam part that is directed to the first port, and a second beam part that is directed to the second port. 19. The method of claim 18 wherein the step of selectively moving the director assembly includes (i) moving a second port redirector into the path of the source beam to redirect the source beam to the second port when the director assembly is in the second switch position, and (ii) moving a dual port redirector into the path of the source beam to split the source beam and direct the first beam part to the first port and the second beam part to the second port when the director assembly is in the dual switch position. 20. The method of claim 19 wherein the step of moving a second port redirector includes (i) moving an input reflective surface into the path of the source beam along the input axis when the director assembly is in the second switch position, and (ii) positioning an output reflective surface substantially parallel to and spaced apart from the input reflective surface, the input reflective surface being fixedly coupled to the output reflective surface; and wherein the step of moving a dual port redirector includes (i) moving a beam splitter into the path of the source beam along the input axis when the director assembly is in the dual switch position, the beam splitter splitting the source beam into the first beam part that transmits through the beam splitter to the first port, and the second beam part that is reflected off of the beam splitter, and (ii) positioning an exit reflective surface substantially parallel to and spaced apart from the beam splitter, the beam splitter being fixedly coupled to the exit reflective surface.
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