Search Results - "Kartaloǧlu, Tolga"

  • Showing 1 - 14 results of 14
Refine Results
  1. 1

    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

    Published in IEEE photonics journal (01-12-2019)
    “…In this work, we present the experimental results of a direct detection π-OTDR based distributed acoustic sensor system. The system uses two cascaded…”
    Get full text
    Journal Article
  2. 2

    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…”
    Get full text
    Journal Article
  3. 3

    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…”
    Get full text
    Conference Proceeding
  4. 4

    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…”
    Get full text
    Journal Article
  5. 5

    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

    Published in Applied physics letters (11-12-2000)
    “…We report GaAs-based high-speed, resonant-cavity-enhanced, Schottky barrier internal photoemission photodiodes operating at 1.3 μm. The devices were fabricated…”
    Get full text
    Journal Article
  6. 6

    High-speed solar-blind photodetectors with indium-tin-oxide Schottky contacts by Biyikli, Necmi, Kimukin, Ibrahim, Kartaloglu, Tolga, Aytur, Orhan, Ozbay, Ekmel

    Published in Applied physics letters (07-04-2003)
    “…We report AlGaN/GaN-based high-speed solar-blind photodetectors with indium-tin-oxide Schottky contacts. Current–voltage, spectral responsivity, and…”
    Get full text
    Journal Article
  7. 7

    High-speed visible-blind GaN-based indium–tin–oxide Schottky photodiodes by Biyikli, Necmi, Kartaloglu, Tolga, Aytur, Orhan, Kimukin, Ibrahim, Ozbay, Ekmel

    Published in Applied physics letters (22-10-2001)
    “…We have fabricated GaN-based high-speed ultraviolet Schottky photodiodes using indium–tin–oxide (ITO) Schottky contacts. Before device fabrication, the optical…”
    Get full text
    Journal Article
  8. 8

    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…”
    Get full text
    Conference Proceeding
  9. 9

    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…”
    Get full text
    Conference Proceeding
  10. 10

    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…”
    Get full text
    Conference Proceeding
  11. 11

    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…”
    Get full text
    Conference Proceeding
  12. 12

    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…”
    Get full text
    Conference Proceeding
  13. 13

    Laser Wavelength Upconversion with Optical Parametric Oscillators Using Simultaneously Phase-Matched Crystals by Kartaloğlu, Tolga

    Published 01-01-2002
    “…In this thesis, we present our work on optical parametric oscillators that employ a single nonlinear crystal that is simultaneously-phase-matched for…”
    Get full text
    Dissertation
  14. 14

    Femtosecond Optical Parametric Oscillators Based on Potassium Titanyl Phosphate Crystals by Kartaloğlu, Tolga

    Published 01-01-1996
    “…In this thesis, we describe our experiments to construct and characterize optical parametric oscillators (OPO) based on a potassium titanyl phosphate (KTP)…”
    Get full text
    Dissertation