Application of the time-domain and frequency-domain radiative measurement signals in retrieving the spectral complex refractive index of microalgae
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.02.007
Abstract: Abstract Time-domain (TD) and frequency-domain (FD) pulse lasers are employed as the measurement lasers to retrieve the spectral complex refractive indices of microalgae, respectively. The finite volume method and an improved quantum-behaved particle swarm optimization… read more here.
Keywords: spectral complex; domain frequency; time domain; complex refractive ... See more keywords
A method to retrieve the spectral complex refractive index and single scattering optical properties of dust deposited in mountain snow
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Glaciology"
DOI: 10.1017/jog.2016.126
Abstract: Dust deposition to snow can have regionally important climatic and hydrologic impacts resulting from direct reduction of surface albedo and indirectly from the initiation of snow albedo feedbacks. Modeling the radiative impacts of dust deposited… read more here.
Keywords: optical properties; dust deposited; single scattering; complex refractive ... See more keywords
Measurements of complex refractive index change of photoactive yellow protein over a wide wavelength range using hyperspectral quantitative phase imaging
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21403-z
Abstract: A novel optical holographic technique is presented to simultaneously measure both the real and imaginary components of the complex refractive index (CRI) of a protein solution over a wide visible wavelength range. Quantitative phase imaging… read more here.
Keywords: protein; wavelength range; complex refractive; refractive index ... See more keywords
Determination of the complex refractive index and optical bandgap of CH3NH3PbI3 thin films
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Physics"
DOI: 10.1063/1.4982894
Abstract: We report the complex refractive index of methylammonium lead iodide (CH3NH3PbI3) perovskite thin films obtained by means of variable angle spectroscopic ellipsometry and transmittance/reflectance spectrophotometry in the wavelength range of 190 nm to 2500 nm. The film… read more here.
Keywords: bandgap; thin films; optical bandgap; complex refractive ... See more keywords
Measurement of azo dye film with large photo-induced birefringence and complex refractive index
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0149433
Abstract: Azo dyes are valuable functional materials due to their sensitive response to and effective modulation of polarized light. It is essential to find out not only the optical anisotropy but also the complex refractive index… read more here.
Keywords: azo dye; refractive index; dye film; film ... See more keywords
Refractive index confidence explorer (RICE): A tool for propagating uncertainties through complex refractive index retrievals from aerosol particles
Sign Up to like & getrecommendations! Published in 2021 at "Aerosol Science and Technology"
DOI: 10.1080/02786826.2021.1895428
Abstract: Abstract Accurate and precise retrievals of aerosol complex refractive indices (m) are essential to constraining the direct radiative effect of atmospheric aerosols. Despite this, there is no generally accepted method for constraining the uncertainty in… read more here.
Keywords: index; uncertainty; rice; confidence ... See more keywords
Direct method of extracting broadband complex refractive index from spectrophotometric measurements: an application to polydimethylsiloxane for passive radiative cooling
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Photonics for Energy"
DOI: 10.1117/1.jpe.11.032105
Abstract: Abstract. We describe an algorithm to extract the complex refractive index of a material from broadband reflectance and transmittance measurements taken by spectrophotometers. The algorithm combines Kramers–Kronig analysis with an inversion of Fresnel’s equations to… read more here.
Keywords: broadband; refractive index; direct method; passive radiative ... See more keywords
Broadband calibration-free cavity-enhanced complex refractive index spectroscopy using a frequency comb.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.020633
Abstract: We present broadband cavity-enhanced complex refractive index spectroscopy (CE-CRIS), a technique for calibration-free determination of the complex refractive index of entire molecular bands via direct measurement of transmission modes of a Fabry-Perot cavity filled with… read more here.
Keywords: cavity; calibration free; spectroscopy; complex refractive ... See more keywords
Reconstructing complex refractive-index of multiply-scattering media by use of iterative optical diffraction tomography.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.380309
Abstract: Conventional optical diffraction tomography (ODT) techniques fail in the presence of multiple scattering, and the problem becomes even more challenging when the medium is also lossy. Iterative ODT (iODT), which was shown recently to be… read more here.
Keywords: multiply scattering; optical diffraction; diffraction tomography; complex refractive ... See more keywords
Estimation and extraction of the aerosol complex refractive index based on Stokes vector measurements.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.004877
Abstract: We present a way to estimate the aerosol complex refractive indices (ACRI) based on a real-time Stokes vector measurement technology. First, we introduce how to simultaneously get the multi-polarization signals of multi-scattering angles. Then we… read more here.
Keywords: aerosol complex; estimation extraction; complex refractive; stokes vector ... See more keywords
Compact and fast-response optical switch based on complex refractive index engineering.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.489936
Abstract: The optical switch is a crucial device in integrated photonic circuits. Among the various types of optical switches available, the on-off Mach-Zehnder interferometer is one of the most widely used structures. However, compared with other… read more here.
Keywords: based complex; switch; refractive index; optical switch ... See more keywords