Design of a self-asynchronous optical sampling system for rapid–scan terahertz time-domain spectroscopy

Authors

Elmer Estacio ⋅ PH National Institute of Physics, University of the Philippines Diliman
Takashi Furuya ⋅ JP FIR Center University of Fukui
Christopher Que ⋅ PH FIR Center University of Fukui
Kazuki Horita ⋅ JP FIR Center University of Fukui
Kohji Yamamoto ⋅ PH FIR Center University of Fukui
Fumiaki Miyamaru ⋅ JP Shinshu University, Matsumoto
Seizi Nishizawa ⋅ JP Advanced Infrared Spectroscopy Co., Ltd.
Masahiko Tani ⋅ JP FIR Center University of Fukui

Abstract

A novel method employing a self-asynchronous optical sampling scheme based on a single, repetition frequency-tunable, femtosecond laser utilized in a THz time domain spectrometer (THz-TDS) system is presented. The system can operate in a 160-ps time window with a 100-Hz scan rate. The detection bandwidth is limited to ~100 GHz and is attributed to timing jitter of the laser pulses. Continued efforts are being done to extend the detection bandwidth by improving the signal-to noise ratio of the THz detection system and by reducing the timing jitter of the femtosecond excitation laser. This rapid-scan THz-TDS system holds promise for real world applications.

Downloads

Issue

2011: Proceedings of the 29th Samahang Pisika ng Pilipinas National Physics Congress

Article ID

SPP2011-3B-1

Section

Acoustics, Optics, Photonics

Published

2011-10-24

How to Cite

[1]

E Estacio, T Furuya, C Que, K Horita, K Yamamoto, F Miyamaru, S Nishizawa, and M Tani, Design of a self-asynchronous optical sampling system for rapid–scan terahertz time-domain spectroscopy, Proceedings of the Samahang Pisika ng Pilipinas 29, SPP2011-3B-1 (2011). URL: https://proceedings.spp-online.org/article/view/SPP2011-3B-1.