Resonant Waveguide-Grating Devices and Methods for Using Same
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Accused Products
Abstract
Waveguide gratings, biosensors, and methods of using a waveguide grating, including as a biosensor.
124 Citations
200 Claims
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1-46. -46. (canceled)
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47. A method of using a waveguide grating, comprising:
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contacting a waveguide grating with a medium, the waveguide grating being disposed on a substrate and having at least one waveguide layer and at least one grating layer; directing light toward the waveguide grating such that the light contacts the waveguide grating; receiving light that is either reflected from or transmitted through the waveguide grating with a detection unit, the waveguide grating being configured such that a guided-mode resonance peak or minimum occurs in the reflected or transmitted light; using the detection unit to determine an attribute of the received light; and using the attribute to determine at least one parameter of the medium. - View Dependent Claims (49, 52, 54, 56, 60, 62, 65, 66, 67, 68, 69, 80, 89, 92, 196, 197)
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48. (canceled)
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50-51. -51. (canceled)
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53. (canceled)
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55. (canceled)
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57-59. -59. (canceled)
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61. (canceled)
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63-64. -64. (canceled)
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70-79. -79. (canceled)
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81-88. -88. (canceled)
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90-91. -91. (canceled)
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93. A method of using a waveguide grating as a biosensor, comprising:
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contacting a guided-mode resonance waveguide grating with a medium, the guided-mode resonance waveguide grating having at least one waveguide layer, at least one grating layer, and biologically sensitive material; directing light toward the guided-mode resonance waveguide grating such that the light contacts the waveguide grating, the guided-mode resonance waveguide grating being configured such that at least one attribute of the light is consequently modified; and determining at least one parameter of the medium using the modified attribute. - View Dependent Claims (98, 99, 102, 109, 110, 198, 199)
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94-97. -97. (canceled)
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100-101. -101. (canceled)
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103-108. -108. (canceled)
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111-117. -117. (canceled)
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118. A method of using a waveguide grating, comprising:
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contacting a guided-mode resonance waveguide grating with a medium, the guided-mode resonance waveguide grating having at least one waveguide layer and at least one grating layer; directing light having transverse electric (TE) and transverse magnetic (TM) polarizations toward the guided-mode resonance waveguide grating such that the light contacts the guided-mode resonance waveguide grating; determining at least one parameter of the medium using a change in a resonance location in each of the TE and TM polarizations. - View Dependent Claims (120)
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119. (canceled)
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121-135. -135. (canceled)
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136. A method of using a waveguide grating, comprising:
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contacting a guided-mode resonance waveguide grating with a material, the guided-mode resonance waveguide grating being disposed on a substrate and having at least one waveguide layer and at least one grating layer; directing light toward the guide-mode resonance waveguide grating and monitoring a change in an attribute of light that is either reflected from the guided-mode resonance waveguide grating or transmitted through the guided-mode resonance waveguide grating to sense a change in the thickness of the material. - View Dependent Claims (138, 139, 140, 141, 144, 145, 146, 149, 152, 153, 154, 155, 161, 200)
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137. (canceled)
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142-143. -143. (canceled)
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147-148. -148. (canceled)
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150-151. -151. (canceled)
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156-160. -160. (canceled)
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162-168. -168. (canceled)
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170-178. -178. (canceled)
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180-195. -195. (canceled)
Specification