Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Review of Scientific Instruments
65 (1994), S. 2781-2784
ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
An optical spectrometer for the study of low level optical absorption and reflection of spread monolayers at the air-water interface is described. This spectrometer is suitable for measurements at wavelengths from ∼350 to 800 nm and has a precision of ∼2×10−5 in terms of effective optical density. It employs a dual beam design utilizing fiber optic bundles to guide light and a multichannel photodiode array detection system. Instrumental control and data gathering are designed within Labwindows software. Representative spectral absorption data from chlorophyll a degradation kinetics are presented by way of illustration. Comparison of chlorophyll a reflection and absorption is also given.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1144616
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