Optical transmittance of 3D printing materials
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Date
2021-07
Journal Title
Journal ISSN
Volume Title
Publisher
Optica Publishing Group
Abstract
The increasing prevalence of three-dimensional (3D) printing of optical housings and mounts necessitates a better understanding of the optical properties of printing materials. This paper describes a method for using multithickness samples of 3D printing materials to measure transmittance spectra at wavelengths from 400 to 2400 nm [visible to short-wave infrared (IR)]. In this method, 3D samples with material thicknesses of 1, 2, 3, and 4 mm were positioned in front of a uniform light source with a spectrometer probe on the opposing side to measure the light transmittance. Transmission depended primarily on the thickness and color of the sample, and multiple scattering prevented the use of a simple exponential model to relate transmittance, extinction, and thickness. A Solidworks file and a 3D printer file are included with the paper to enable measurements of additional materials with the same method.
Description
Keywords
optical transmittance 3d printing materials
Citation
Shannon M. Hamp, Riley D. Logan, and Joseph A. Shaw, "Optical transmittance of 3D printing materials," Appl. Opt. 60, 6573-6578 (2021)