Automated camera system with one or more fluidic lenses
An automated camera system is disclosed herein. The automated camera system includes a camera configured to capture an image of an object; at least one fluidic lens disposed between the camera and the object, the at least one fluidic lens having a chamber that receives a fluid therein; a fluid control system operatively coupled to the at least one fluidic lens, the fluid control system configured to insert, or remove, an amount of the fluid into, or from, the chamber of the at least one fluidic lens; and a Shack-Hartmann sensor assembly operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly by means of the fluid control system configured to automatically control the amount of the fluid in the chamber of the at least one fluidic lens, thereby automatically focusing the camera so that the image captured of the object is in focus.
1. An automated camera system, comprising:
a camera configured to capture an image of an object;
at least one fluidic lens disposed between the camera and the object, the at least one fluidic lens having a chamber that receives a fluid therein;
a fluid control system operatively coupled to the at least one fluidic lens, the fluid control system configured to insert an amount of the fluid into the chamber of the at least one fluidic lens, or remove an amount of the fluid from the chamber of the at least one fluidic lens, in order to change the shape of the at least one fluidic lens in accordance with the amount of fluid therein, the fluid control system comprising a pump and one or more fluid distribution lines, at least one of the one or more fluid distribution lines fluidly coupling the pump to the at least one fluidic lens so that the pump is capable of adjusting refractive power of the at least one fluidic lens;
a Shack-Hartmann sensor assembly operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly comprising a charge-coupled device (CCD) array and a lenslet array, the Shack-Hartmann sensor assembly by means of the fluid control system configured to automatically control the amount of the fluid in the chamber of the at least one fluidic lens, thereby automatically focusing the camera so that the image captured of the object is in focus, and wherein light is reflected back from the camera, and the lenslet array is disposed in a path of the reflected light entering the Shack-Hartmann sensor assembly; and
a data processing device operatively coupled to the pump of the fluid control system, the charge-coupled device (CCD) array of the Shack-Hartmann sensor assembly, and the camera, the data processing device being configured to control an operation of the pump of the fluid control system based upon one or more output signals from the Shack-Hartmann sensor assembly, and wherein, when the Shack-Hartmann sensor assembly indicates to the data processing device that the object is in focus for the camera, the data processing device is configured to emit an initiation signal to the camera instructing the camera to capture the image of the object.
2. The automated camera system of claim 1 , further comprising a dichroic mirror disposed in the path of the reflected light between the at least one fluidic lens and the lenslet array.
3. The automated camera system of claim 2 , further comprising a first diffractive lens or a first holographic optical element disposed in the path of the reflected light between the dichroic mirror and the lenslet array.
4. The automated camera system of claim 3 , further comprising a second diffractive lens or a second holographic optical element disposed in the path of the reflected light between the first diffractive lens or the first holographic optical element and the lenslet array.
5. An automated camera system, comprising:
a camera configured to capture an image of an object, the camera comprising one of: (i) a digital camera for photography, (ii) a camera for automated microscopy, (iii) an optical coherence tomography (OCT) camera, and (iv) a video surveillance camera;
a plurality of fluidic lenses disposed between the camera and the object, each of the plurality of fluidic lenses having a respective chamber that receives a fluid therein;
a fluid control system operatively coupled to each of the plurality of fluidic lenses, the fluid control system configured to insert an amount of the fluid into the respective chamber of each of the plurality of fluidic lenses, or remove an amount of the fluid from the respective chamber of each of the plurality of fluidic lenses, in order to change the shape of each of the plurality of fluidic lenses in accordance with the amount of fluid therein;
a Shack-Hartmann sensor assembly operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly by means of the fluid control system configured to automatically control the amount of the fluid in the respective chamber of each of the plurality of fluidic lenses, thereby automatically focusing the camera so that the image captured of the object is in focus; and
a data processing device operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly, and the camera, wherein, when the Shack-Hartmann sensor assembly indicates to the data processing device that the object is in focus for the camera, the data processing device is configured to emit an initiation signal to the camera instructing the camera to capture the image of the object.
6. The automated camera system of claim 5 , wherein the fluid control system comprises a pump and a plurality of fluid distribution lines, at least two of the plurality of fluid distribution lines fluidly coupling the pump to respective ones of the plurality of fluidic lens so that the pump is capable of adjusting refractive power of the plurality of fluidic lens.
7. The automated camera system of claim 6 , wherein the data processing device is further operatively coupled to the pump of the fluid control system, the data processing device being configured to control an operation of the pump of the fluid control system based upon one or more output signals from the Shack-Hartmann sensor assembly.
8. The automated camera system of claim 7 , wherein the Shack-Hartmann sensor assembly comprises a charge-coupled device (CCD) array and a lenslet array, and wherein the charge-coupled device (CCD) array of the Shack-Hartmann sensor assembly is operatively coupled to the data processing device.
9. The automated camera system of claim 8 , wherein light is reflected back from the camera, and wherein the lenslet array is disposed in a path of the reflected light entering the Shack-Hartmann sensor assembly; and wherein the automated camera system further comprises a dichroic mirror disposed in the path of the reflected light between the plurality of fluidic lenses and the lenslet array.
10. An automated camera system, comprising:
a camera configured to capture an image of an object;
three fluidic lenses disposed between the camera and the object, each of the three fluidic lenses having a respective chamber that receives a fluid therein, the three fluidic lenses including a spherical lens disposed in a circular container, a first cylindrical lens disposed in a first rectangular container, and a second cylindrical lens disposed in a second rectangular container;
a fluid control system operatively coupled to each of the three fluidic lenses, the fluid control system configured to insert an amount of the fluid into the respective chamber of each of the three fluidic lenses, or remove an amount of the fluid from the respective chamber of each of the three fluidic lenses, in order to change the shape of each of the three fluidic lenses in accordance with the amount of fluid therein;
a Shack-Hartmann sensor assembly operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly by means of the fluid control system configured to automatically control the amount of the fluid in the respective chamber of each of the three fluidic lenses, thereby automatically focusing the camera so that the image captured of the object is in focus; and
a data processing device operatively coupled to the fluid control system, the Shack-Hartmann sensor assembly, and the camera, wherein, when the Shack-Hartmann sensor assembly indicates to the data processing device that the object is in focus for the camera, the data processing device is configured to emit an initiation signal to the camera instructing the camera to capture the image of the object.
11. The automated camera system of claim 10 , wherein the spherical lens is disposed in a first plane, the first cylindrical lens is disposed in a second plane, and the second cylindrical lens is disposed in a third plane, and wherein each of the first, second, and third planes are oriented generally parallel to one another.
12. The automated camera system of claim 11 , wherein the first cylindrical lens has a first axis and the second cylindrical lens has a second axis, the first axis of the first cylindrical lens being disposed at an angle of approximately 45 degrees relative to the second axis of the second cylindrical lens.
13. The automated camera system of claim 11 , wherein the first plane of the spherical lens is disposed closer to the camera than the second plane of the first cylindrical lens and the third plane of the second cylindrical lens.
14. The automated camera system of claim 10 , wherein the camera comprises one of: (i) a digital camera for photography, (ii) a camera for automated microscopy, (iii) an optical coherence tomography (OCT) camera, and (iv) a video surveillance camera.