Fast two-photon imaging by diffracted swept-laser excitation

S Karpf, B Jalali, R Huber - US Patent 11,009,459, 2021 - Google Patents
An apparatus and methods for high-speed non-linear spectrally encoded multi-photon
imaging that are particularly suited for use in two photon fluorescence and fluorescence …

Device and method for detecting and/or characterizing fluid-borne particles

D Kiselev, S Kiseleva - US Patent 11,204,322, 2021 - Google Patents
Measurement device for the detection and/or characteriza tion of fluid-borne particles
featuring a laser positioned for emitting pulses of laser light polarized in a first direction, in a …

Apparatus for measuring Raman spectrum and method thereof

L Kurki, I Alasaarela, J Tenhunen - US Patent 11,965,779, 2024 - Google Patents
An apparatus for measuring time-resolved optical spectrum includes a light source, a sensor
for collecting, forming, manipulating and measuring the intensity of the optical radiation, and …

Apparatus and method for measuring spectral components of Raman scattered light

L Kurki, I Alasaarela - US Patent 11,592,680, 2023 - Google Patents
An apparatus for measuring spectral components of Ramanscattered light emitted by target.
The apparatus includes: pulsed laser light source to emit light; probe optics to direct light …

Systems and methods for stochastically modulated Raman spectroscopy

M Zervas, IW Hunter - US Patent 11,977,030, 2024 - Google Patents
Disclosed herein are systems and methods of obtaining a derivative Raman spectrum using
an excitation or Raman pump beam whose wavelength is modulated in any suitable manner …

Compact gas sensors

J Ryu - US Patent 11,187,655, 2021 - Google Patents
Abstract Systems and methods herein provide low power non-dispersive infrared (NDIR)
gas sensors. The gas sensors comprise a thin film plasmonic light source that produces a …

Extending a range of an optical fiber distributed sensing system

X Sun - US Patent 10,386,247, 2019 - Google Patents
Embodiments are directed to a distributed temperature sensing system. The system includes
a first fiber optic cable and a second fiber optic cable. A first coupler is coupled to the first …

Coherent dynamically controllable narrow band light source

RA Huber, S Karpf, M Eibl - US Patent 9,515,452, 2016 - Google Patents
Disclosed herein is a coherent dynamically controllable narrow band light Source (10),
comprising a first Sub-light Source (12), said first Sub-light source being electrically …