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Control Platform Development and Function Extending of QE65000

Author: PeiZuo
Tutor: ZuoFuJun
School: Ocean University of China
Course: Optical Engineering
Keywords: QE6500O Serial communication Spectral measurements Miniature fiber optic spectrometer
CLC: P715
Type: Master's thesis
Year: 2010
Downloads: 47
Quote: 0
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Abstract


As a treasure trove of natural resources, the ocean gradually attracted the attention of more and more people, the importance of deep-sea exploration has become increasingly prominent. Relative to the sampling and analysis, in situ, real-time, continuous detection of deep-sea research, deep-sea competition will undoubtedly have a greater advantage, and the measurement of spectral classes just to meet this demand. In this context the spectral detection system made great strides, and the spectrometer as the core component of the spectral detection system, the importance of self-evident. Spectrometer miniaturization trend in the field of deep-sea exploration. Research grade spectrometer manufactured by Ocean Optics QE65000 combination of detector, optical bench and the functions of electronic devices, the quantum efficiency of up to 90%, and has a high signal-to-noise ratio and fast signal processing capability, suitable for multi- kinds of spectroscopy system. The Ocean Optics Corporation supplied for spectral measurements SpectraSuite software, general applications, through the USB interface with a PC connected to complete the measurement of the spectrum; users can follow their needs, according to the vendor's development kit software development. In addition to the USB interface, QE65000 provides a composite 30-pin serial port, including RS-232 serial connection, the same can be achieved QE65000 full functionality. USB connection can provide a complete spectrum measurement solutions, and can basically meet the needs of ordinary users, but this connection to the host computer equipment requirements, the corresponding spectral measurement system package size and power consumption will be larger impact. RS-232 interface hardware requirements low, relatively flexible control mode; through the development of serial communication can QE65000 control, spectral acquisition functions. This can make it out of the PC platform, even as a the small detection system control core, larger space in the more sensitive areas of the size and power consumption. In this paper, development work the QE65000 serial control function. Detailed reading of QE65000 the technical documents as well as typical application cases, QE65000 spectrum analyzer's light road QE65000 the internal circuit structure, USB communication control chip CY7C68013 30-pin dedicated interface and CCD detectors in-depth analysis, and design of experiments programs. First dedicated interface adapter to transform, to enable them to meet the hardware requirements of the RS-232 serial communication; then carried out on the basis of in-depth understanding of the design spectrum acquisition process in a variety of command and operating procedures in the OEM manual; software design, portability, choose C language and CSerialPort class, write the serial communication program, so QE65000 serial communication with the PC. After successful commissioning, the emission spectrum of the low-pressure mercury lamp was tested successfully collected multiple sets of spectral data, and were compared with the measured spectrum of QE65000 random software. The proven QE65000 can be achieved through the serial port control spectral acquisition function, the acquired spectra spectrum collected via the USB port is basically the same. PC platform development and debugging tools are more abundant, the control system via a PC development. Work through the transplant procedure, to achieve single-chip full control of QE65000 made useful exploration for miniaturization of the detection system.

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CLC: > Astronomy,Earth Sciences > Oceanography > Marine survey and observation > Investigation and observation equipment
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