1460719339-768b88a6-0993-464c-97d8-18c6c20e67f1

1. A device for measuring near forward scatter of light caused by particulate matter in a fluid, the device comprising:
a transceiver, the transceiver comprising:
a light source for projecting a light beam through the fluid; and
a detector positioned on the same side of the fluid as the light source; and

a reflector positioned opposite the transceiver so that at least a portion of the fluid is present between the transceiver and the reflector, wherein the reflector includes a front portion facing the transceiver, such that optical energy from the light source of the transceiver incident upon the reflector is reflected towards the transceiver as a return beam of optical energy, wherein primarily optical energy of the return beam that is scattered over a range of near forward angles by particulate matter in the fluid reaches the detector.
2. The device of claim 1, wherein the range of near forward angles is between 1 and 5 degrees.
3. The device of claim 1, wherein the front portion of the reflector includes a lens.
4. The device of claim 3, wherein the front portion of the reflector includes a convex lens including a non-transmissive central portion.
5. The device of claim 3, wherein the front portion of the reflector includes a concave wedge shaped lens.
6. The device of claim 5, wherein the concave wedge shaped lens includes a non-transmissive central portion.
7. The device of claim 3, wherein the front portion of the reflector includes a convex wedge shaped lens.
8. The device of claim 7, wherein the convex wedge shaped lens includes a non-transmissive central portion.
9. The device of claim 1, wherein the transceiver further comprises a second light source with a wavelength different than a wavelength of the first light source.
10. The device of claim 3, wherein the lens includes a non-transmissive central portion.
11. The device of claim 3, further comprising means for replacing the lens of the reflector with a second, differently shaped lens.
12. The device of claim 3, further comprising means for replacing the reflector with a second reflector.
13. The device of claim 12, wherein the second reflector includes a front portion facing the transceiver, such that optical energy from the light source of the transceiver incident upon the second reflector is reflected towards the transceiver as a return beam of optical energy, wherein primarily optical energy of the return beam that is scattered over a second range of near forward angles by particulate matter in the fluid reaches the detector.
14. The device of claim 1, wherein the return beam crosses itself in the field of view of the detector.
15. The device of claim 1, wherein the light source is selected from the group consisting of a light emitting diode, a laser diode, and an incandescent source.
16. The device of claim 1, wherein the device is mounted on an exhaust stack and is for measuring particulate matter present in an exhaust stream in the exhaust stack.
17. The device of claim 1, wherein the device is mounted in a diversion chamber and is for measuring particulate matter present in a fluid that has been diverted from an exhaust stream into the diversion chamber.
18. A system for monitoring particulate matter in a fluid comprising:
a transceiver, comprising:
a light source for projecting a light beam through the fluid; and
a detector; and;

a reflector assembly positioned opposite the transceiver so that at least a portion of the fluid is present between the transceiver and the reflector assembly, the reflector assembly comprising:
a first reflector including a front portion facing the transceiver, such that, when the first reflector is in the path of the light beam from the light source, optical energy from the light source incident upon the reflector is reflected towards the transceiver as a return beam of optical energy, wherein primarily optical energy of the return beam that is scattered over a range of near forward angles by particulate matter in the fluid;
a second optical device; and
means for cyclically moving the first reflector and the second optical device into the path of the light beam from the light source.
19. The system of claim 18, wherein the second optical device includes an extinction reflector.
20. The system of claim 18, wherein the reflector assembly further includes an absorbing device, and wherein the means for cyclically moving is further for cyclically moving the first reflector, the second optical device and the absorbing device into the path of the light beam from the light source.

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 proximity sensor comprising:
a ranging proximity sensor configure for mounting on a bomb, the bomb having a guidance system for guiding the bomb to a predefined coordinate;
a radome connected to the ranging radar proximity sensor;
a laser radiation sensor attached to the proximity sensor inside the radome and configured and arranged to detect laser radiation reflected from a target which passes through the radome;
an optical assembly mounted inside the radome which is configured and arranged to direct and focus laser radiation which passes through the radome onto the laser radiation sensor;
a processor electrically connected to the laser radiation sensor and configured to derive the azimuth and elevation angles to the target.
2. A proximity sensor comprising:
a ranging radar proximity sensor configured for mounting on a bomb;
a radome connected to the ranging rad proximity sensor;
a laser radiation sensor attached to the proximity sensor inside the radome and configured and arranged to detect laser radiation reflected from a target which passes through the radome;
an optical assembly mounted inside the radome which is configured and arrayed to direct and focus laser radiation which passes through the radome onto the laser radiation sensor;
a processor electrically connected to the laser radiation sensor and configured to derive the azimuth and elevation angles to the target;
wherein the laser radiation is a focal plane array detector, and the processor processes a signal from the plurality of focal plane array detector elements to derive the azimuth and elevation angles to the target.
3. The proximity sensor of claim 1 wherein the radome allows radio frequency electromagnetic energy and laser radiation to pass through the radome.
4. The proximity sensor of claim 3 wherein the laser radiation has a wavelength of approximately 1 micrometer.
5. The proximity sensor of claim 1 wherein the radome includes a laser aperture in the radome which permits laser radiation to pass through the laser aperture into the radome.
6. The proximity sensor of claim 5 wherein the laser radiation has a wavelength of approximately 1 micrometer.
7. A proximity sensor for use with a guidance system of a smart bomb, comprising:
a ranging radar proximity sensor configured for mounting on a smart bomb, the smart bomb having a guidance system for guiding the bomb to a predefined coordinate;
a radome connected to the ranging radar proximity sensor;
an unfocused laser radiation sensor system attached to the proximity sensor which is configured and arranged to detect laser radiation reflected from a target which passes through the radome and output the azimuth and elevation angles to the target to the guidance system.
8. A proximity sensor for use with a guidance system of a smart bomb, comprising:
a ranging radar proximity sensor configured for mounting on a smart bomb;
a radome connected to the ranging radar proximity sensor;
an unfocused laser radiation sensor system attached to the proximity sensor which is configured and arranged to detect laser radiation reflected from a target which passes through the radome and output the azimuth and elevation angles to the target to a guidance system;
wherein the focused laser radiation sensor system is further comprised of:
a plurality of optical detectors preferably arranged around a longitudinal axis of the proximity sensor, each optical detector on receiving incoming optical energy producing an optical detector output signal;
at least one reflector constructed and arranged to reflect incoming optical energy onto at least one of the plurality of optical detector units;
a signal processor electrically connected to the plurality of optical detectors for receiving the optical detector output signals and providing a guidance signal.
9. The proximity of claim 7 wherein the radome allows radio frequency electromagnetic energy and laser radiation to pass through the radome.
10. The proximity sensor of claim 9 wherein the laser radiation has a wavelength of approximately 1 micrometer.
11. The proximity sensor of claim 7 wherein the radome includes a laser aperture in the radome which permits laser radiation to pass through the laser aperture into the radome.
12. The proximity sensor of claim 11 wherein the laser radiation has a wavelength of approximately 1 micrometer.
13. A smart bomb comprising:
a bomb;
a guidance system attached to the bomb for guiding the bomb to a predefined coordinate;
a ranging radar proximity sensor attached to the bomb;
a radome connected to the ranging radar proximity sensor;
a laser radiation sensor system attached to the proximity sensor which is configured and arranged to detect laser radiation reflected from a target which passes through the radome and output the azimuth and elevation angle to the target to the guidance system.
14. The smart bomb of claim 13 wherein the guidance system is a OPS guidance system.
15. The smart bomb of claim 13 wherein the laser radiation sensor system is focused.
16. The smart bomb of claim 13 wherein the laser radiation sensor system is comprised of.
a laser radiation sensor attached to the proximity sensor inside the radome and configured and arranged to detect laser radiation reflected from a target which passes through the radome;
an optical assembly mounted inside the radome which is configured an arranged to direct and focus laser radiation which passes through the radome onto the laser radiation sensor;
a processor electrically connected to the laser radiation sensor and configured to derive the azimuth and elevation angles to the target.
17. The smart bomb of claim 16 wherein the laser radiation sensor is a focal plane array detector, and the processor processes a signal from the plurality of focal plane array detector elements to derive the azimuth and elevation angles to the target.
18. The smart bomb of claim 16 wherein the radome allows radio frequency electromagnetic energy and laser radiation to pass through the radome.
19. The smart bomb of claim 18 wherein the laser radiation has a wavelength of approximately 1 micrometer.
20. The smart bomb of claim 16 wherein the radome includes a laser aperture in the radome which permits laser radiation to pass through the laser aperture into the radome.
21. The smart bomb of claim 20 wherein the laser radiation has a wavelength of approximately 1 micrometer.
22. The smart bomb of claim 13 wherein the laser radiation sensor system is unfocused.
23. The smart bomb of claim 22 where the laser radiation sensor system is comprised of:
an unfocused laser radiation sensor system attached to the proximity sensor which is configured and arranged to detect laser radiation reflected from a target which passes through the radome and output the azimuth and elevation angles to the target to the guidance system.
24. The smart bomb of claim 23 wherein the unfocused laser radiation sensor system is further comprised of:
a plurality of optical detector preferably arranged around a longitudinal axis of the proximity sensor, each optical detector on receiving incoming optical energy producing an optical detector output signal;
at least one reflector constructed and arranged to reflect incoming optical energy onto at least one of the plurality of optical detector units;
a signal processor electrically connected to the plurality of optical detectors for receiving the optical detector output signals and providing a guidance signal.
25. The smart bomb of claim 23 wherein the radome allows radio frequency electromagnetic energy and laser radiation to pass through the radome.
26. The smart bomb of claim 25 wherein the laser radiation has a wavelength of approximately 1 micrometer.
27. The smart bomb of claim 23 wherein the radome includes a laser aperture in the radome which permits laser radiation to pass through the laser aperture into the radome.
28. The smart bomb of claim 27 wherein the laser radiation has a wavelength of approximately 1 micrometer.
29. A proximity sensor comprising:
a ranging radar proximity sensor configured for mounting on a bomb;
a radome connected to the ranging a proximity sensor;
a laser radiation focal plane array detector attached to the proximity sensor inside the radomes and configured and arranged to detect laser radiation reflected from a target which passes through the radome;
a optical assembly mounted inside the radome which is configured and arranged to direct and focus laser radiation which passes through the radome onto the laser radiation sensor;
a processor electrically connected to the laser radiation sensor and configured to derive the azimuth and elevation angles to the target.
30. The proximity sensor of claim 29, wherein the laser radiation focal plane array detector comprises a four-element sensor.
31. (Canceled).

1460719331-916851c6-e31b-4caf-b715-aaf9b0626288

1. A radio frequency (RF) coil array comprising:
a plurality of RF coil sections arranged in a superior-inferior direction, each RF coil section comprising a first linear coil element, a loop-saddle coil quadrature pair and a second linear coil element configured in an overlapping arrangement in a left-right direction.
2. An RF coil array according to claim 1, wherein the plurality of RF coil sections are configured in an overlapping arrangement.
3. An RF coil array according to claim 1, wherein at least one of the first linear coil element and the second linear coil element is a loop coil.
4. An RF coil array according to claim 1, wherein at least one of the first linear coil element and the second linear coil element is an asymmetric saddle coil.
5. An RF coil array according to claim 2, wherein a position of a center of the first linear coil element is shifted in the superior-inferior direction to align with an overlap region between adjacent RF coil sections.
6. An RF coil array according to claim 2, wherein a position of a center of the second linear coil element is shifted in the superior-inferior direction to align with an overlap region between adjacent RF coil sections.
7. A radio frequency (RF) coil array comprising:
a first linear coil element;
a loop-saddle coil quadrature pair;
a second linear coil element, wherein the first linear coil element, the loop-saddle coil quadrature pair and the second linear coil element are arranged in a left-right direction.
8. An RF coil array according to claim 7, wherein a first portion of the first linear coil element overlaps a first portion of the loop-saddle coil quadrature pair.
9. An RF coil array according to claim 7, wherein a first portion of the second linear coil element overlaps a second portion of the loop-saddle coil quadrature pair.
10. An RF coil array according to claim 7, wherein a portion of the center of the first linear coil element is shifted in a superior-inferior direction with respect to a position of the loop-saddle coil quadrature pair.
11. An RF coil according to claim 10, wherein a portion of the center of the second linear coil element is shifted in a superior-inferior direction with respect to a position of the loop-saddle coil quadrature pair.
12. An RF coil array according to claim 7, wherein the first linear coil element, the loop-saddle coil quadrature pair and the second linear coil element are configured to form a coil section.
13. An RF coil array according to claim 12, further comprising a plurality of coil sections aligned in the superior-inferior direction.
14. An RF coil array according to claim 7, wherein at least one of the first linear coil element and the second linear coil element is a loop coil.
15. An RF coil array according to claim 7, at least one of the first linear coil element and the second linear coil element is an asymmetric saddle coil.
16. An RF coil array according to claim 13, wherein the plurality of coil sections are configured to provide spine imaging.
17. An RF coil array according to claim 13, wherein the plurality of coil sections are configured to provide torso imaging.
18. An RF coil array according to claim 13, wherein the plurality of coil sections are configured as a posterior imaging array.
19. An RF coil array according to claim 13, wherein the plurality of coil sections are configured as an anterior imaging array.

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 connector comprising:
a first connection portion fixedly connected a light emitting diode (LED), comprising a first receiving hole, a first set of conductive terminals received in the first receiving hole, and a first hook portion protruded from an outer surface of the first connection portion; and
a second connection portion comprising a second receiving hole, a second set of conductive terminals, and a second hook portion protruding from an inner surface of the second receiving hole;
wherein, at least one of the first hook portion and the second hook portion is elastic, when the first hook portion is connected with the second hook portion, the first connection portion connection is connected to the second connection portion, and the first set of conductive terminals contact the second set of conductive terminals.
2. The connector according to claim 1, further comprising a protection sleeve, wherein the protection sleeve is connected to the second connection portion, the protection sleeve comprises a connection pipe and a connection sleeve, the connection pipe is mounted to the second connection portion via the connection sleeve.
3. The connector as described in claim 2, wherein the connection pipe comprises a pipe body and a flange formed on an end of the pipe body and extending outwards along a periphery of the pipe body, a engaging portion is formed on a surface of the flange to engage with the second connection portion.
4. The connector as described in claim 3, wherein the connection sleeve is a hollow cylinder having an internal surface, an inner screw thread is formed in the internal surface of the connection sleeve, the inner screw thread cooperates with the second connection portion, a circular stopper is formed on one end of the connection sleeve to abut against the second connection portion.
5. The connector as described in claim 3, wherein the second receiving hole is used for receiving the first connection portion, one end of the second connection portion is a blind end, the blind end defines three through holes and a protruding portion, the terminals of the second set of conductive terminals protrude from the three through holes, the protruding portion is engaged with the engaging portion of the flange to stop the second connection portion and the protection sleeve from moving relative to each other.
6. The connector as described in claim 4, wherein an outer screw thread is formed on an outer surface of the second connection portion, the outer screw thread cooperates with the inner screw thread of the connection sleeve.
7. The connector as described in claim 1, wherein one end of each terminal of the second set of the conductive terminals comprises two elastic arms, the two elastic arms are used for holding one terminal of the first set of the conductive terminals.