Dr. Kayvan Forouhesh Tehrani Profile

Dr. Kayvan Forouhesh Tehrani

Chief Executive Oficer at Eleuthra Photonics Inc.

SPIE Involvement:

Author | Science Fair Judge

Publications (25)

Proceedings Article | 13 March 2024 Presentation

Multiphoton imaging and control of melanopsin activation in living cellular systems by spectral-temporal modulation of a supercontinuum source

Carlos Renteria, Jiho Kahng, Brian Tibble, Rishyashring Iyer, Kayvan Tehrani, Yuan-Zhi Liu, Stephen Boppart

Proceedings Volume PC12863, PC1286308 (2024) https://doi.org/10.1117/12.3001042

KEYWORDS: Calcium, In vitro testing, Absorption, Retina, Ultrafast phenomena, Ultrafast lasers, Ultrafast laser spectroscopy, Spectroscopy, Pulse signals, Phase shift keying

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Proceedings Article | 13 March 2024 Presentation

Robust supercontinuum generation using an yttrium aluminum garnet crystal for multimodal label-free multiphoton microscopy

Alejandro De la Cadena, Jaena Park, Kayvan Forouhesh Tehrani, Carlos Renteria, Guillermo Monroy, Stephen Boppart

Proceedings Volume PC12854, PC128540N (2024) https://doi.org/10.1117/12.3002654

KEYWORDS: YAG lasers, Supercontinuum generation, Multiphoton microscopy, Crystals, Nonlinear crystals, Microscopes, Tissues, Photonic crystals, Laser radiation, Radiotherapy

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Proceedings Article | 13 March 2024 Presentation

Academia to industry translation of SLAM technology

Aneesh Alex, Kayvan Tehrani, Mantas Zurauskas, Matthew Durack, Reid Groseclose, Steve Hood, Stephen Boppart

Proceedings Volume PC12821, PC128210B (2024) https://doi.org/10.1117/12.3003121

KEYWORDS: Industry, Microscopy, Microscopes, Image analysis, Biological research, Autofluorescence, Analytical research, 3D modeling, Visualization, Visual process modeling

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Proceedings Article | 12 March 2024 Presentation + Paper

Binary wavefront manipulation using an epi-detected SHG guidestar

Adrian Liversage, Kayvan Forouhesh Tehrani, Tianyi Zheng, Peter Kner, Luke Mortensen

Proceedings Volume 12851, 1285107 (2024) https://doi.org/10.1117/12.3003515

KEYWORDS: Digital micromirror devices, Second harmonic generation, Biological samples, Wavefronts, Green fluorescent proteins, Bone, Genetic algorithms, Tissues

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Proceedings Article | 12 March 2024 Presentation + Paper

Multi-photon fluorescence microscopy with adaptive optics

Tianyi Zheng, Adrian Liversage, Kayvan Tehrani, Jarrod Call, Peter Kner, Luke Mortensen

Proceedings Volume 12851, 1285106 (2024) https://doi.org/10.1117/12.3003445

KEYWORDS: Adaptive optics, Bone, Biological imaging, Second harmonic generation, Point spread functions, Mitochondria, Tissues, Aberration correction, Multiphoton fluorescence microscopy

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Proceedings Article | 17 March 2023 Presentation

Versatile phase and amplitude pulse shaping using 2D spatial light modulator for spectrally optimized multimodal optical imaging

Lingxiao Yang, Rishyashring Iyer, Janet Sorrells, Carlos Renteria, Kayvan Tehrani, Darold Spillman, Stephen Boppart

Proceedings Volume PC12411, PC1241102 (2023) https://doi.org/10.1117/12.2647608

KEYWORDS: Pulse shaping, Optical imaging, Spatial light modulators, Phase shift keying, Optical coherence tomography, Raman spectroscopy, Phase modulation, Amplitude modulation, Ultrafast laser spectroscopy, Supercontinuum sources

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Proceedings Article | 17 March 2023 Presentation

Label-free identification of Alzheimer’s disease plaques using multiple co-registered nonlinear optical biomarkers

Kayvan Tehrani, Jaena Park, Carlos Renteria, Stephen Boppart

Proceedings Volume 12364, 1236405 (2023) https://doi.org/10.1117/12.2648013

KEYWORDS: Alzheimer's disease, Proteins, Microscopy, Harmonic generation, Brain, Analytical research, Visualization, Tissues, Second-harmonic generation, Raman spectroscopy

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Proceedings Article | 16 March 2023 Presentation

High signal-to-noise ratio rapid third-order label-free and harmonic generation microscopy of neural dynamics through electronic heterodyne amplification (Conference Presentation)

Kayvan Tehrani, Alejandro De la Cadena, Stephen Boppart

Proceedings Volume PC12390, PC1239009 (2023) https://doi.org/10.1117/12.2648069

KEYWORDS: Signal to noise ratio, Microscopy, Heterodyning, Harmonic generation, Tissues, Signal processing, Interference (communication), In vivo imaging, Ultrafast lasers, Tissue optics

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Proceedings Article | 6 March 2023 Presentation

Nonlinear imaging histopathology: a method to correlate the gold-standard hematoxylin and eosin staining with modern nonlinear microcopy

Kayvan Tehrani, Jaena Park, Eric Chaney, Haohua Tu, Stephen Boppart

Proceedings Volume PC12368, PC123680C (2023) https://doi.org/10.1117/12.2648062

KEYWORDS: Tissues, Microscopy, Laser ablation, Multilayers, Laser marking, Gold, Femtosecond phenomena, Cancer

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Proceedings Article | 7 March 2022 Presentation

User-friendly photodamage-monitored imaging by simultaneous label-free autofluorescence multiharmonic (SLAM) microscopy

Geng Wang, Rishyashring Iyer, Janet Sorrells, Kayvan Tehrani, Kajari Bera, Eric Chaney, Haohua Tu, Stephen Boppart

Proceedings Volume PC11954, PC1195404 (2022) https://doi.org/10.1117/12.2608849

KEYWORDS: Microscopy, Signal to noise ratio, Imaging systems, Optical microscopy, Image resolution, Image processing, Ultrafast phenomena, Tissues, Signal attenuation, Photonic crystal fibers

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Proceedings Article | 2 March 2022 Presentation

Label-free multi-photon super-resolution microscopy by multiplexed single point spread function image acquisition

Kayvan Forouhesh Tehrani, Stephen Boppart

Proceedings Volume PC11966, PC119660B (2022) https://doi.org/10.1117/12.2607832

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Proceedings Article | 4 March 2019 Presentation

Binary wavefront optimization for multi-photon intravital microscopy through intact cranial bone (Conference Presentation)

Kayvan Forouhesh Tehrani, Peter Kner, Luke Mortensen

Proceedings Volume 10886, 1088605 (2019) https://doi.org/10.1117/12.2510726

KEYWORDS: Bone, Wavefronts, Binary data, Multiphoton microscopy, Microscopy, Digital Light Processing, Scattering, Collagen, Optical fibers, Tissues

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Proceedings Article | 27 February 2019 Paper

Characterization of collagen formation surrounding osteocytes using second and third harmonic generation

Emily Pendleton, Kayvan Tehrani, Ruth Barrow, Luke Mortensen

Proceedings Volume 10871, 108710W (2019) https://doi.org/10.1117/12.2510814

KEYWORDS: Collagen, Bone, Second-harmonic generation, Dendrites, Image visualization, Image segmentation

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Proceedings Article | 23 April 2018 Presentation + Paper

Finite difference time domain modeling of wavefront aberrations in bone using second harmonic generation microscopy

Kayvan Forouhesh Tehrani, Sendy Phang, Peter Kner, Ana Vukovic, Luke Mortensen

Proceedings Volume 10502, 105020R (2018) https://doi.org/10.1117/12.2290376

KEYWORDS: Bone, Finite-difference time-domain method, Refractive index, Harmonic generation, Light scattering, Scattering, Microscopy, Second-harmonic generation, Wavefront aberrations, Adaptive optics

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Proceedings Article | 23 February 2018 Paper

Resolution enhancement of 2-photon microscopy using high-refractive index microspheres

Kayvan Forouhesh Tehrani, Arash Darafsheh, Sendy Phang, Luke Mortensen

Proceedings Volume 10498, 1049833 (2018) https://doi.org/10.1117/12.2290613

KEYWORDS: Microscopy, Tissues, Second-harmonic generation, Bone, Optical fibers, Multiphoton microscopy, Point spread functions, Microscopes, Finite-difference time-domain method, Resolution enhancement technologies

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Proceedings Article | 21 February 2018 Paper

Characterization of bone collagen organization defects in murine hypophosphatasia using a Zernike model of optical aberrations

Kayvan Forouhesh Tehrani, Emily Pendleton, Bobby Leitmann, Ruth Barrow, Luke Mortensen

Proceedings Volume 10497, 104971K (2018) https://doi.org/10.1117/12.2290896

KEYWORDS: Bone, Principal component analysis, Collagen, Second-harmonic generation, Optical aberrations, Refractive index, Optical fibers, Harmonic generation, Refraction, Ray tracing

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Proceedings Article | 29 September 2017 Presentation

Wavefront correction for superresolution microscopy (Conference Presentation)

Peter Kner, Kayvan Tehrani, Benjamin Thomas, Abhijit Marar

Proceedings Volume 10350, 1035006 (2017) https://doi.org/10.1117/12.2275846

KEYWORDS: Wavefronts, Optical microscopy, Tissue optics, Luminescence, Optical aberrations, Scattering, Point spread functions, Microscopy, Super resolution, Adaptive optics

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SPIE Journal Paper | 21 March 2017 Open Access

Characterization of wavefront errors in mouse cranial bone using second-harmonic generation

Kayvan Tehrani, Peter Kner, Luke Mortensen

JBO, Vol. 22, Issue 03, 036012, (March 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.3.036012

KEYWORDS: Wavefronts, Bone, Second-harmonic generation, Error analysis, Scattering, Point spread functions, Tissue optics, Adaptive optics, Refractive index, Optical aberrations

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Proceedings Article | 6 March 2017 Presentation + Paper

Modelling of optical aberrations caused by light propagation in mouse cranial bone using second harmonic generation imaging

Kayvan Tehrani, Peter Kner, Luke Mortensen

Proceedings Volume 10073, 100731F (2017) https://doi.org/10.1117/12.2253080

KEYWORDS: Bone, Light scattering, Scattering, Optical aberrations, Adaptive optics, Microscopy, Harmonic generation, Multiphoton microscopy, Wavefronts, Refractive index

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Proceedings Article | 2 March 2017 Paper

Fast axial scanning for 2-photon microscopy using liquid lens technology

Kayvan Forouhesh Tehrani, Min Kyoung Sun, Lohitash Karumbaiah, Luke Mortensen

Proceedings Volume 10070, 100700Y (2017) https://doi.org/10.1117/12.2252992

KEYWORDS: Microscopy, Liquid lenses, Liquids, Imaging systems, Objectives, Deformable mirrors, Acousto-optics, Brain, Neuroimaging, Signal to noise ratio

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Proceedings Article | 6 April 2016 Presentation + Paper

Deep tissue single cell MSC ablation using a fiber laser source to evaluate therapeutic potential in osteogenesis imperfecta

Kayvan Tehrani, Emily Pendleton, Charles Lin, Luke Mortensen

Proceedings Volume 9711, 97110D (2016) https://doi.org/10.1117/12.2213292

KEYWORDS: Bone, Laser ablation, Laser tissue interaction, Fiber lasers, In vivo imaging, Collagen, Tissues, Scanners, Second-harmonic generation, Image processing

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Proceedings Article | 15 March 2016 Presentation + Paper

Wavelet-based denoising of the Fourier metric in real-time wavefront correction for single molecule localization microscopy

Kayvan Forouhesh Tehrani, Luke Mortensen, Peter Kner

Proceedings Volume 9717, 971707 (2016) https://doi.org/10.1117/12.2213531

KEYWORDS: Molecules, Microscopy, Adaptive optics, Denoising, Wavefronts, Super resolution, Wavelet transforms, Wavelets, Photons, Signal to noise ratio, Point spread functions, Genetic algorithms

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Proceedings Article | 10 March 2015 Paper

Wavefront correction using machine learning methods for single molecule localization microscopy

Kayvan Tehrani, Jianquan Xu, Peter Kner

Proceedings Volume 9335, 93350L (2015) https://doi.org/10.1117/12.2077269

KEYWORDS: Wavefronts, Particles, Microscopy, Adaptive optics, Molecules, Particle swarm optimization, Point spread functions, Machine learning, Imaging systems, Wavefront aberrations

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Proceedings Article | 9 March 2015 Paper

Multi-color quantum dot stochastic optical reconstruction microscopy (qSTORM)

Kayvan Tehrani, Jianquan Xu, Peter Kner

Proceedings Volume 9331, 93310C (2015) https://doi.org/10.1117/12.2077293

KEYWORDS: Photons, Microscopy, Molecules, Adaptive optics, Calibration, Quantum dots, Stochastic processes, 3D image processing, Monochromatic aberrations, Optical microscopy

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Proceedings Article | 7 March 2014 Paper

Point spread function optimization for STORM using adaptive optics

Kayvan Forouhesh Tehrani, Peter Kner

Proceedings Volume 8978, 89780I (2014) https://doi.org/10.1117/12.2040390

KEYWORDS: Wavefronts, Adaptive optics, Point spread functions, Genetic algorithms, Microscopy, Molecules, Signal to noise ratio, Quantum dots, Image quality, Photons

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Showing 5 of 25 publications

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