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Listar por autor "Bockelt, Alexander Stefan"

Mostrando ítems 1-6 de 6

All-Fiber Centralized Architecture for Parallel Terahertz Censors

Bockelt, Alexander Stefan; Palací López, Jesús; Vidal Rodriguez, Borja (Institute of Electrical and Electronics Engineers (IEEE), 2015-01)

The use of optical fiber for signal distribution and remote operation of a set of parallel inspection units based on THz time-domain spectroscopy is presented and analyzed. A centralized approach with optical source-sharing ...
Birefringence measurement in the THz range based on double Fourier analysis

Sanjuan, Federico; Bockelt, Alexander Stefan; Vidal Rodriguez, Borja (Optical Society of America, 2014-02-15)

A method for obtaining the average refractive indexes of a birefringent material in the terahertz region in a single measurement with a standard terahertz time-domain spectrometer is presented. The method is based on ...
Cascaded Four-Wave Mixing for Microwave Photonic Harmonic Multiplication

Vidal Rodriguez, Borja; Bockelt, Alexander Stefan; Palací López, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2013-01-01)

Enhanced multiple four-wave mixing (FWM) processes in nonlinear fiber by phase modulation of the pump carrier are investigated for harmonic mixing multiplication of microwave signals. The enhancement of cascaded FWM by ...
Dynamic Tuning of Mean Carrier Momentum Relaxation Time in InGaAs InAlAs THz Photoconductive Switches

Bockelt, Alexander Stefan; Vidal Rodriguez, Borja (Institute of Electrical and Electronics Engineers (IEEE), 2017-01)

The carrier transport in InGaAs InAlAs multilayer heterostructures used for the implementation of terahertz (THz) photoconductive antennas is investigated under the injection of a continuous optical wave. By varying the ...
Fiber-based Terahertz Time-Domain Spectroscopy Systems Operated in the Telecom Band

Bockelt, Alexander Stefan (Universitat Politècnica de València, 2017-09-01)

The aim of the doctoral thesis is the study of Terahertz time domain spectrometers relying on telecommunication fiber technology. Optical fiber offers low losses, high stability and compactness, features that ease the ...
Terahertz radiation shaping based on optical spectrum modulation in the time domain

Palací López, Jesús; Bockelt, Alexander Stefan; Vidal Rodriguez, Borja (Optical Society of America, 2012)

A terahertz shaping system based on optical fiber components as opposed to traditional free-space solutions is proposed. It is based on the time-domain modulation of the optical source spectrum. Standard singlemode fiber ...