In 2019 International Conference on Optical MEMS and Nanophotonics (OMN), Daejeon, 2019

Speckle-enhanced prism spectrometer

S. Kaan Cetindag, Onur Ferhanoglu, M. Fatih Toy, Fehmi Civitci

Atıf

@inproceedings{ccetindaug2019speckle,
  title={Speckle-enhanced prism spectrometer},
  author={{\c{C}}etinda{\u{g}}, {\c{S}} Kaan and Ferhano{\u{g}}lu, Onur and Toy, M Fatih and Civitci, Fehmi},
  booktitle={2019 International Conference on Optical MEMS and Nanophotonics (OMN)},
  pages={84--85},
  year={2019},
  organization={IEEE}
}

Özet

We present an improved prism spectrometer with high wavelength range and spectral resolution. The device is an upgraded prism spectrometer that utilizes an additional scattering medium leading to a wavelength-dependent speckle pattern. We demonstrate <; 20 pm resolution and ~750 nm wavelength range with the proposed device. With the demonstrated spectral resolution, the speckle-enhanced prism could provide the means to image deep tissue layers in Optical Coherence Tomography.

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