Method and apparatus for terahertz imaging
First Claim
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1. A method of imaging a sample, the method comprising:
- a) irradiating the sample to be imaged with pulsed electro-magnetic radiation with a plurality of frequencies in the range of 50 GHz to 84 THz;
b) subdividing an area of the sample which is to be imaged into a two dimensional array of pixels, and detecting radiation from each pixel over a plurality of frequencies; and
c) generating an image of the area of the sample from the radiation detected in step (b) using a frequency or a selection of frequencies from the plurality of frequencies in the pulsed electro-magnetic radiation.
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Abstract
In an apparatus and method for imaging a sample: a) the sample to be imaged is irradiated with pulsed electro-magnetic radiation with a plurality of frequencies in the range from 50 GHz to 84 THz; b) an area of the sample is subdivided into a two dimensional array of pixels, and radiation from each pixel is detected over a plurality of frequencies; and c) an image is generated from the radiation detected in step (b) preferably using a frequency or a selection of frequencies from the plurality of frequencies in the pulsed electro-magnetic radiation. The method can be used as a medical imaging technique and can be used to image cancer tumours.
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Citations
25 Claims
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1. A method of imaging a sample, the method comprising:
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a) irradiating the sample to be imaged with pulsed electro-magnetic radiation with a plurality of frequencies in the range of 50 GHz to 84 THz; b) subdividing an area of the sample which is to be imaged into a two dimensional array of pixels, and detecting radiation from each pixel over a plurality of frequencies; and c) generating an image of the area of the sample from the radiation detected in step (b) using a frequency or a selection of frequencies from the plurality of frequencies in the pulsed electro-magnetic radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification