1: Introduction
EEPROM Utilization
An EEPROM memory chip in each USB4000 contains wavelength calibration coefficients, linearity
coefficients, and a serial number unique to each individual spectrometer. The SpectraSuite software
application reads these values directly from the spectrometer, enabling the ability to “hot-swap”
spectrometers between computers without entering the spectrometer coefficients manually on each
computer.
About SpectraSuite
SpectraSuite is the latest generation of operating software for all Ocean Optics spectrometers. It is a
completely modular, Java-based spectroscopy software platform that operates on Windows, Macintosh
and Linux operating systems. The software can control any Ocean Optics USB spectrometer and device,
as well as any other manufacturer’s USB instrumentation using the appropriate drivers.
SpectraSuite is a user-customizable, advanced acquisition and display program that provides a real-time
interface to a variety of signal-processing functions. With SpectraSuite, you have the ability to perform
spectroscopic measurements (such as absorbance, reflectance, and emission), control all system
parameters, collect and display data in real time, and perform reference monitoring and time acquisition
experiments. Consult the SpectraSuite manual for hardware requirements when using SpectraSuite (see
Product-Related Documentation
).
Sampling System Overview
How Sampling Works
Ocean Optics components function in a sampling system as follows:
1. The user stores reference and dark measurements to correct for instrument response variables.
2. The light from the light source transmits through an optical fiber to the sample.
3. The light interacts with the sample.
4. Another optical fiber collects and transmits the result of the interaction to the spectrometer.
5. The spectrometer measures the amount of light and transforms the data collected by the
spectrometer into digital information.
6. The spectrometer passes the sample information to SpectraSuite.
7. SpectraSuite compares the sample to the reference measurement and displays processed spectral
information.
Modular Light Sources and Sampling Accessories
Ocean Optics offers a complete line of spectroscopic accessories for use with the USB4000. Most of our
spectroscopic accessories have SMA connectors for application flexibility. Accordingly, changing the
sampling system components is as easy as unscrewing a connector and replacing an accessory. Available
accessories include the following:
• USB-ISS-UV-VIS Integrated Sampling System for Cuvettes (200–1100 nm)
211-00000-000-02-0908 3
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