Optical waveguides – Optical fiber bundle
Patent
1995-01-30
1998-05-19
Palmer, Phan T. H.
Optical waveguides
Optical fiber bundle
385117, 385120, 356436, 250576, G02B 604
Patent
active
057547220
ABSTRACT:
A fiber-optic spectroscopic probe for use with a Fourier Transform Infrared (FTIR) spectrometer for sensing the absorption of infrared energy by a sample has a shaft containing a fiber optic bundle which terminates proximate the end of the shaft for transmitting and receiving infrared energy from the sample being measured by a measuring head. The shaft has means for detachably attaching interchangeable measuring heads for measuring attenuated total reflectance, diffuse or specular reflectance of the sample, or for measuring the infrared energy transmitted through the sample. The interchangeable heads are coupled to the shaft without the use of additional optics or mechanical positioning devices. The shaft assembly may include a cooling jacket for measuring samples at elevated temperatures. Having different, interchangeable spectral sampling heads makes it possible to obtain quantitative spectral data from a wide range of samples in varying states of agglomeration and homogeneity using a single device.
REFERENCES:
patent: 4234910 (1980-11-01), Price
patent: 4955687 (1990-09-01), Pafford
patent: 5381237 (1995-01-01), Sela
patent: 5412749 (1995-05-01), Sayegh et al.
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