Carbon Nanotube-Based Coatings for Laser Power and Energy Measurements

Published

October 1, 2005

Author(s)

John H. Lehman, Natalia Varaksa, Evangelos Theocharous, Anne Dillon

Abstract

We describe carbon nanotube (CNT) based coatings for thermal detectors for laser power and energy measurements. The value of thermal properties of CNTs obtained from the literature indicates that such coatings have desirable properties such as low thermal mass and high thermal conductivity. We describe the process by which we produce CNTs and apply them to thermal detectors, including laser vaporization and chemical vapour deposition on detector materials such as LiTaO3, LiNbO3 and copper. We describe additional novel processing steps that include surface preparation, the deposition of a barrier layer and annealing in air. We present spectral responsivity measurements over the wavelength range from 0.8 μm to 14 μm for carbon single wall nanotubes (SWNTs) as well as carbon multiwall nantotubes (MWNTs)compared to gold black.

Proceedings Title

Proc., 24th International Congress on Applications of Lasers and Electro-Optics

Conference Dates

October 31-November 3, 2005

Conference Location

Miami, FL, USA

Pub Type

Conferences

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Keywords

carbon nanotubes, chemical vapor deposition (CVD), pyroelectrice detector, spectral responsivity, thermal conductivity, thermal detector

Citation

Lehman, J. , Varaksa, N. , Theocharous, E. and Dillon, A. (2005), Carbon Nanotube-Based Coatings for Laser Power and Energy Measurements, Proc., 24th International Congress on Applications of Lasers and Electro-Optics, Miami, FL, USA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32052 (Accessed March 20, 2025)