Search Results - "Kartaloglu, Tolga"

A Direct Detection Fiber Optic Distributed Acoustic Sensor With a Mean SNR of 7.3 dB at 102.7 km by Uyar, Faruk, Onat, Talha, Unal, Canberk, Kartaloglu, Tolga, Ozbay, Ekmel, Ozdur, Ibrahim

“…In this work, we present the experimental results of a direct detection π-OTDR based distributed acoustic sensor system. The system uses two cascaded…”
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Femtosecond self-doubling optical parametric oscillator based on KTiOAsO4 by KARTALOGLU, Tolga, AYTÜR, Orhan

“…We report a femtosecond intracavity-frequency-doubled optical parametric oscillator that employs a single KTiOAsO4 crystal for both parametric generation and…”
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Long-Range Distributed Acoustic Sensor Based on 3×3 Coupler Assisted Passive Demodulation Scheme by Turker, Volkan, Uyar, Faruk, Kartaloglu, Tolga, Ozbay, Ekmel, Ozdur, Ibrahim

“…A distributed acoustic sensor based on phase-sensitive optical time domain reflectometry (φ-OTDR) and passive 3x3 coupler demodulation is demonstrated which is…”
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High-speed solar-blind photodetectors with indium-tin-oxide Schottky contacts by Biyikli, Necmi, Kimukin, Ibrahim, Kartaloglu, Tolga, Aytur, Orhan, Ozbay, Ekmel

“…We report AlGaN/GaN-based high-speed solar-blind photodetectors with indium-tin-oxide Schottky contacts. Current–voltage, spectral responsivity, and…”
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High-speed visible-blind GaN-based indium–tin–oxide Schottky photodiodes by Biyikli, Necmi, Kartaloglu, Tolga, Aytur, Orhan, Kimukin, Ibrahim, Ozbay, Ekmel

“…We have fabricated GaN-based high-speed ultraviolet Schottky photodiodes using indium–tin–oxide (ITO) Schottky contacts. Before device fabrication, the optical…”
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Distributed Strain Sensing by Frequency-Selective Fading in Phase-OTDR by Yildiz, Muhammed Kaan, Uyar, Faruk, Kartaloglu, Tolga, Ozbay, Ekmel, Ozdur, Ibrahim

“…We demonstrate a novel approach using frequency-selective fading in phase-OTDR systems to measure dynamic strain on a fiber optic cable. We present the…”
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Long Range Single Pulse Raman Distributed Temperature Sensor Using Standard Single Mode Fiber by Baytekin, Hakan, Uyar, Faruk, Kartaloglu, Tolga, Ozbay, Ekmel, Ozdur, Ibrahim

“…We present a single pulse Raman distributed temperature sensor using standard single mode fiber and having ~5.2 m spatial resolution at 18.5 km sensing…”
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The Investigation of Rayleigh Backscattered Signal Statistics in a φ-OTDR System Incorporating Optical Pre-Amplifier by Uyar, Faruk, Kartaloglu, Tolga, Ozbay, Ekmel, Ozdur, Ibrahim

“…We theoretically model and experimentally demonstrate the photon statistics of Rayleigh backscattered signal in a ϕ-OTDR based distributed fiber optical sensor…”
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A Simple Method for Enhancing the SNR in Direct Detection φ-OTDR based Distributed Acoustic Sensors by Uyar, Faruk, Kartaloglu, Tolga, Unal, Canberk, Ozbay, Ekmel, Ozdur, Ibrahim

“…A simple and effective method for increasing the SNR and range in φ-OTDR based direct-detection distributed acoustic sensors is proposed and experimentally…”
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94.8 Km-Range Direct Detection Fiber Optic Distributed Acoustic Sensor by Uyar, Faruk, Onat, Talha, Unal, Canberk, Kartaloglu, Tolga, Ozdur, Ibrahim, Ozbay, Ekmel

“…This work demonstrates an ultra-long range direct detection fiber optic distributed acoustic sensor which can detect vibrations at a distance of 94.8 km with…”
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High-speed InSb photodetectors on GaAs for mid-IR applications by Kimukin, I., Biyikli, N., Kartaloglu, T., Aytur, O., Ozbay, E.

“…We report p-i-n type InSb-based high-speed photodetectors grown on GaAs substrate. Electrical and optical properties of photodetectors with active areas…”
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High-speed GaAs-based resonant-cavity-enhanced 1.3 μm photodetector by Kimukin, Ibrahim, Ozbay, Ekmel, Biyikli, Necmi, Kartaloǧlu, Tolga, Aytür, Orhan, Unlu, Selim, Tuttle, Gary

“…We report GaAs-based high-speed, resonant-cavity-enhanced, Schottky barrier internal photoemission photodiodes operating at 1.3 μm. The devices were fabricated…”
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Laser Wavelength Upconversion with Optical Parametric Oscillators Using Simultaneously Phase-Matched Crystals by Kartaloğlu, Tolga

“…In this thesis, we present our work on optical parametric oscillators that employ a single nonlinear crystal that is simultaneously-phase-matched for…”
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Femtosecond Optical Parametric Oscillators Based on Potassium Titanyl Phosphate Crystals by Kartaloğlu, Tolga

“…In this thesis, we describe our experiments to construct and characterize optical parametric oscillators (OPO) based on a potassium titanyl phosphate (KTP)…”
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