Combined spectral and polarimetry imaging and diagnostics

AH Kashani, MS Humayun - US Patent 8,649,008, 2014 - Google Patents
Combined spectral and polarimetry imaging and diagnostic techniques are disclosed,
including an imaging system that simultaneously records spatially co-registered spectral and …

Compact snapshot polarimetry camera

JT Schwiegerling, E Dereniak, MW Kudenov… - US Patent …, 2013 - Google Patents
An imaging polarimeter optics unit comprising: a first polarization-sensitive beam-splitter
optic, a retarder, a second polarization-sensitive beam-splitter optic, and an analyzer …

Imaging of polarization scrambling tissue

SA Meyer, X Wei - US Patent 8,630,697, 2014 - Google Patents
The present invention provides for the detection and display of polarization scrambling
tissue without resolving the polarization state of the backscattered imaging beam. In one …

Imaging of polarization scrambling tissue

SA Meyer, X Wei - US Patent 8,208,996, 2012 - Google Patents
The present invention provides for the detection and display of polarization scrambling
tissue without resolving the polarization state of the backscattered imaging beam. In one …

Optical methods for real time monitoring of tissue treatment

MP Debreczeny, D Villegas, A Tayeb - US Patent App. 12/380,014, 2010 - Google Patents
The present invention comprises methods and systems/devices for non-invasively
measuring baseline collagen and collagen changes during treatment of tissue, eg …

Polarimeter with multiple independent tunable channels and method for material and object classification and recognition

BG Hoover, PA Reyes, DE Taliaferro… - US Patent …, 2020 - Google Patents
Embodiments of an active or laser polarimeter are disclosed that transmit multiple
independent and tunable temporallymultiplexed polarization states and record or image, at …

Corneal imaging device

M Takii - US Patent 9,655,507, 2017 - Google Patents
A corneal imaging device provided with an optical system for photographing a corneal
portion of an eye, the optical system including an illumination optical system configured to …

Polarimetric accessory for colposcope

A Gandjbakhche, V Chernomordik, M Hassan… - US Patent …, 2017 - Google Patents
A polarization-based colposcopy apparatus includes a polarization exchanging beam
splitter pair oriented so that s-and p-polarizations are exchanged. An optical flux from a …

Coded aperture imaging photopolarimetry

DJ Brady - US Patent 7,573,579, 2009 - Google Patents
An imaging polarimeter includes a polarization dispersing element, a spatial light modulator,
a complementary polarization dispersing element, a polarization analyzer, an electronic …

Polarimeter for detecting polarization rotation

LEE Duhyun, A Faraon, E Arbabi… - US Patent …, 2020 - Google Patents
A polarimeter for measuring a polarization rotation caused by a measurement object is
provided, the polarimeter including an optically active material. The polarimeter includes a …