The primary responsibility of the photoelectric station is to be responsible for the research of key measurement and testing technologies and core technologies in the fields of photoelectricity and radio, and to improve the photoelectric measurement technology system; Establish and maintain the highest photoelectric measurement standards and radio, electromagnetic, time and frequency measurement standards, compile measurement technical specifications, and improve the photoelectric measurement technical specification system; Understand the demand of photoelectric measurement and the informatization of measuring instruments, formulate the compulsory management catalogue of measuring instruments, establish the measurement transmission system, and provide measurement transmission and calibration testing services for other industries in the national economy; Study the calibration technology, calibration method and evaluation method of large-scale test system to ensure its accurate and reliable value; Carry out measurement and test product development, instrument maintenance, technical support, measurement standard assessment and measurement personnel training; Undertake technical supervision and arbitration of measurement.
In April, 2003, the first-class photoelectric station passed the accreditation of the National Laboratory Accreditation Committee with the name of "Photoelectric Metrology Calibration Center of East China Institute of Electronic Measuring Instruments", and the accreditation certificate number was. CNAS l 0546； ; In July, 2004, it was approved by the National Defense Science and Technology Industry Calibration Laboratory Accreditation Committee, and the accreditation certificate number was. DL008； In April 2005, it was approved by the military calibration laboratory of the General Assembly Organization, with the approval number: School [2009-36].
The photoelectric first-class station has more than 2,500 square meters of laboratories in Qingdao Economic and Technological Development Zone, Shandong Province and Bengbu High-tech Zone, Anhui Province, of which 1.500 square meters of professional laboratories have the conditions of temperature control, humidity control, salt fog prevention, vibration isolation, electromagnetic prevention and light shielding. There are 55 professional technicians, 3 researcher-level senior engineers, 5 senior technical titles/kloc-0, and 20 engineers.
There are five photoelectric specialties in the first-class photoelectric station, including photoelectric detectors (including ultraviolet and infrared unit detectors, focal plane array devices, visible CCD, etc.). ), optical fiber and optical fiber devices, optical display, optical integration and photoelectric system parameter measurement, as well as microwave, communication and basic instrument measurement. More than 30 sets of national defense photoelectric highest measurement standards and calibration devices, and nearly 20 sets of radio, electromagnetic, time and frequency highest measurement standards and test systems have been established, and a number of scientific research achievements with international advanced level and domestic leading level have been achieved. It has successively carried out international cooperation and technical exchanges with international institutions such as National Physical Laboratory (NPL), National Institute of Standards and Technology (NIST) and German National Institute of Physical Technology (PTB), and trained a number of professional metrology technicians.
Calibration/verification/test capability (see table of measurement and test capability)
There are more than 30 sets of photoelectric parameter measurement standards, calibration devices and test systems, and nearly 20 sets of electronic measurement standards, which can carry out verification/calibration/test of photoelectric, radio, electromagnetic, time-frequency and other professional instruments and equipment.
Photoelectric subclass:
Photoelectric measuring instruments: optical power meter, optical attenuator, light source, tunable laser, optical wavelength meter, optical time domain reflectometer, spectrum analyzer, optical fiber welding machine, optical return loss tester, polarization characteristic tester, extinction ratio tester, optical fiber comprehensive parameter tester, brightness meter, optical colorimeter, spectrophotometer, color analyzer, etc.
Fiber parameters: mode field diameter, numerical aperture, cutoff wavelength, refractive index distribution, cladding diameter, core diameter, fiber length, fiber loss, fiber dispersion, polarization mode dispersion (PMD), polarization-dependent loss (PDL), etc.
Fiber devices: fiber sensors, fiber gratings, fiber lasers, fiber amplifiers, fiber filters, couplers, optical splitter, optical switches, etc.
Parameters of polarization maintaining fiber: beat length, crosstalk, mode field diameter, cutoff wavelength, stress distribution, etc.
Photoelectric device parameters: spectral response, linearity, modulation bandwidth, linewidth of single longitudinal mode laser, etc.
Photodetector parameters: responsivity, linearity, spectral response, frequency response, etc.
Parameters of visible CCD device: transmission efficiency, responsivity, linearity of responsivity, noise, transmission speed, modulation transfer function (MTF), etc.
Infrared detector parameters: blackbody response, noise, blackbody detection rate, response time, spectral response, etc.
Parameters of infrared focal plane array: blackbody responsivity, noise, blackbody detection rate, spectral response, nonuniformity of responsivity, crosstalk, etc.
Ultraviolet detector parameters: noise, spectral response, etc.
Photoelectric system: infrared thermal imager, photoelectric tracker, etc.
Optical display category: flat panel display device, LED test system, etc.
Electronic category:
Electromagnetic parameters and measuring instruments: 3.5 ~ 7.5 multimeter, resistor, capacitor, inductor, high-frequency voltage, voltmeter and calibration device; AC regulated power supply, DC power supply; Transistor plotter and transistor plotter calibrator; Insulation resistance meter, grounding resistance meter, withstand voltage tester, leakage current tester, etc.
Time and frequency: frequency meter, counter, crystal oscillator, etc.
Oscilloscope: oscilloscope, oscilloscope calibrator, pulse signal generator, etc.
Digital communication testing instruments: error code tester, SDH/PDH transmission tester, TD comprehensive tester, communication performance analyzer, PCM tester, etc.
Microwave instruments: signal source, microwave power meter, spectrum analyzer, impedance tester, attenuator, vector network tester, scalar network analyzer, noise meter, noise source, etc.
Technical development capability
The first-level photoelectric station actively takes advantage of the technical advantages of professional instrument research and development supported by China Electric Branch 4 1, and develops standard instruments, transfer standard parts and measurement and test systems for field calibration while establishing measurement standards. Test systems are developed in the first-class photoelectric station: single-mode fiber cutoff wavelength test system, single-mode fiber mode field diameter test system, multimode fiber numerical aperture test system, infrared focal plane array parameter test system, infrared focal plane array data acquisition system calibration source, standard wavelength light source, variable wavelength light source, optical return loss transfer standard, optical polarization-related loss and polarization mode dispersion transfer standard, microwave low-power standard device, etc. The first-class photoelectric station can also develop special test systems for users according to their needs, integrate the systems and provide technical support.