• Aucun résultat trouvé

Terahertz spectroscopy

Terahertz spectroscopy : the renaissance of far infrared spectroscopy

Terahertz spectroscopy : the renaissance of far infrared spectroscopy

... in terahertz technology. For more details, “Terahertz Spectroscopy: Principles and Applications”, edited by Susan Dexheimer [4] provides a solid background on instrumentation and ...of ...

11

Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project

Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project

... Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project L. Berg´ e 1 , K. Kaltenecker 2 , S. Engelbrecht 3 , A. Nguyen 1 , S. Skupin 4 , L. Merlat 3 , B. ...

8

Chemometrics applied to quantitative analysis of ternary mixtures by Terahertz spectroscopy

Chemometrics applied to quantitative analysis of ternary mixtures by Terahertz spectroscopy

... THz spectroscopy demonstrated that fructose was character ized by well contrasted peaks in the THz frequency ...THz spectroscopy, 30,31 as well as citric ...

8

Ultrafast Terahertz Spectroscopy and Nonlinear Optical Properties of Semiconductor Nanosstructures

Ultrafast Terahertz Spectroscopy and Nonlinear Optical Properties of Semiconductor Nanosstructures

... In Chapter 1, we reminded briefly the basic concepts of THz-Time Domain Spectroscopy. In this Chapter 2, we present the THz-TDS system that we developed in the laboratory. We describe the laser source, the ...

136

Advanced Instrumentation for Practical Applications of Terahertz Spectroscopy and Imaging

Advanced Instrumentation for Practical Applications of Terahertz Spectroscopy and Imaging

... In Chapter 4, we address the second issue of time acquisition. The chapter is a full transcript of our paper published in IEEE Transactions on Terahertz Science and Technology [26]. In it, we present an ...

103

Shining the light to terahertz spectroscopy of nL-volume biological samples

Shining the light to terahertz spectroscopy of nL-volume biological samples

... to terahertz. THz spectroscopy has been exploited to detect, identify and study various biomaterials: nucleic acids [2], proteins [3], amino acids and polypeptides [4], ...time-domain spectroscopy ...

3

Terahertz sensing in biology and medicine

Terahertz sensing in biology and medicine

... SYSTEMS TERAHERTZ SPECTROSCOPY The expansion of terahertz spec- troscopy originally started in the 1990’s with the development of the terahertz Time Domain Spectroscopy (THz-TDS), ...

7

TERAHERTZ BIOMEMS FOR ENZYMATIC CATALYSIS MONITORING

TERAHERTZ BIOMEMS FOR ENZYMATIC CATALYSIS MONITORING

... Sub-TeraHertz spectroscopy, Enzyme reaction INTRODUCTION Today, there is an increasing interest in sensing biological samples with Terahertz (THz) ...a Terahertz BioMEMS (Biological ...

4

Terahertz Non-Contact Monitoring of Cocoa Butter in Chocolate

Terahertz Non-Contact Monitoring of Cocoa Butter in Chocolate

... Keywords Chocolate, Cocoa Butter, Terahertz Spectroscopy, Noncontact Monitoring 1. Introduction Chocolate is an organic edible compound that is made from cocoa bean. It is widely preferred in many sweets ...

8

Terahertz-bandwidth switching of heralded single photons

Terahertz-bandwidth switching of heralded single photons

... low-power commercial femtosecond pump oscillator. Crucially, due to group velocity difference, the pump sweeps through the signal and induces switching. The pulse sweeping allows pump powers to be kept below thresholds ...

5

Analysis of terahertz generation by beamlet superposition

Analysis of terahertz generation by beamlet superposition

... the terahertz radiation causes rapid ...generated terahertz radiation will grow coherently by superposing with radiation generated by adjacent ...the terahertz Rayleigh range as depicted in ...of ...

23

Novel techniques for terahertz sub-wavelength imaging.

Novel techniques for terahertz sub-wavelength imaging.

... of terahertz time-domain spectroscopy and knife-edge in characterization of a sub-wavelength terahertz source As can be inferred from our previous considerations, a proper temporal resolution is ...

121

Continuous-wave scanning terahertz near-field microscope

Continuous-wave scanning terahertz near-field microscope

... 2 Institut FEMTO-ST, dept. LOPMD, UMR 6174 CNRS, Universite´ de Franche-Comte´, Route de Gray, 25030 Besanc¸on, France ABSTRACT: A versatile cw measurement setup for terahertz near-field reflectometry is proposed. ...

4

Dynamic modeling of Terahertz Quantum cascade lasers

Dynamic modeling of Terahertz Quantum cascade lasers

... of terahertz quantum cascade lasers,” Applied Physic Letters, ...of terahertz quantum cascade laser : a transmission- line approach,” Applied Physic Letters, ...

8

Practical Terahertz Waveguides for Advanced Light Management

Practical Terahertz Waveguides for Advanced Light Management

... To measure waveguide transmission at a higher resolution, I use a continuous wave Terahertz (CW-THz) spectroscopy system (Toptica Photonics ® ). This setup consists of two distributed feedback (DFB) lasers ...

145

Voltage controlled terahertz transmission through GaN quantum wells

Voltage controlled terahertz transmission through GaN quantum wells

... the terahertz (THz) radiations as a powerful tool to investigate materials/devices/structures in chemistry, biology, physics, medicine and materials science ...

9

Thermal infrared and terahertz digital holography and their applications

Thermal infrared and terahertz digital holography and their applications

... by Terahertz electric field Source: “Terahertz Applications by THz Time Domain Spectroscopy” by Iwasa, 2002 Source: “Highly precise and accurate terahertz polarization measurements based on ...

70

Spectral Domain Interferometry for Terahertz Detection: Concept and Application.

Spectral Domain Interferometry for Terahertz Detection: Concept and Application.

... THz spectroscopy of condensed matter Numerous studies on the interaction of THz radiation with semiconductors have been carried out revealing effects such as free-carrier absorption, the photon drag effect and ...

160

Design, fabrication and characterization of terahertz planar Schottky diode

Design, fabrication and characterization of terahertz planar Schottky diode

... We present a modified process for the fabrication of terahertz (THz) and sub-millimeter wave diodes. Based solely on photolithography, this process gives more flexibility in design parameters and allows a ...

135

Conception, modélisation et caractérisation de détecteurs microbolométriques pour l’imagerie sub-terahertz

Conception, modélisation et caractérisation de détecteurs microbolométriques pour l’imagerie sub-terahertz

... A court terme ce type de structure permettra d’améliorer la performance des pixels actuels avec un impact minime sur l’empilement technologique. Néanmoins la période voisine de la st[r] ...

245

Show all 1214 documents...

Sujets connexes