Spectroscopic analysis of 1,4-dihydroxynaphthalene in the 0.5- to 6-THz region using GaP THz wave generator

Authors

Carlito S. Ponseca Jr. ⋅ JP Institute for Molecular Science, Okazaki and The Graduate University for Advanced Studies, Kanagawa, Japan
Alex V. Quema ⋅ JP Institute for Molecular Science, Okazaki
Glenda De Los Reyes ⋅ JP Institute for Molecular Science, Okazaki
Elmer Estacio ⋅ JP Institute for Molecular Science, Okazaki
Marilou M. Cadatal ⋅ JP Institute for Molecular Science, Okazaki and The Graduate University for Advanced Studies, Kanagawa
Hidetoshi Murakami ⋅ JP Institute for Molecular Science, Okazaki
Shingo Ono ⋅ JP Institute for Molecular Science, Okazaki and The Graduate University for Advanced Studies, Kanagawa
Nobuhiko Sarukura ⋅ JP Institute of Laser Engineering, Osaka University
Romeric Pobre ⋅ PH Physics Department, De La Salle University, Manila
Reuben Quiroga ⋅ PH Physics Department, De La Salle University, Manila
Takenori Tanno ⋅ JP Semiconductor Research Institute, Sendai
Tetsuo Sasaki ⋅ JP Semiconductor Research Institute, Sendai
Ken Suto ⋅ JP Semiconductor Research Institute, Sendai
Jun-ichi Nishizawa ⋅ JP Semiconductor Research Institute, Sendai
Keisuke Tominaga ⋅ JP Graduate School of Science, Kobe University

Abstract

We report the room temperature terahertz (THz) spectroscopy measurement of 1,4dihydroxynaphthalene (1,4-naphthol) from 0.5- to 6-THz region using a GaP THz wave generator. Several absorption peaks were observed and ascribed to be the fundamental vibrational modes of the isomer which was also validated by the semi-empirical calculation results. The absorption peak at 2.19 THz is attributed to its breathing-like motion while the absorption peak at 5.69 THz is due to its butterfly-like motion about the shorter axis. Twisting, stretching and waggling of the attached OH bonds were also observed.

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Issue

2006: Proceedings of the 24th Samahang Pisika ng Pilipinas National Physics Congress

Article ID

SPP-2006-PA-22

Section

Poster Session PA

Published

2006-10-25

How to Cite

[1]

CS Ponseca, AV Quema, G De Los Reyes, E Estacio, MM Cadatal, H Murakami, S Ono, N Sarukura, R Pobre, R Quiroga, T Tanno, T Sasaki, K Suto, J- ichi Nishizawa, and K Tominaga, Spectroscopic analysis of 1,4-dihydroxynaphthalene in the 0.5- to 6-THz region using GaP THz wave generator, Proceedings of the Samahang Pisika ng Pilipinas 24, SPP-2006-PA-22 (2006). URL: https://proceedings.spp-online.org/article/view/SPP-2006-PA-22.