Optical Sensing and Communication Laboratory
The Optical Sensing and Communication Laboratory is equipped for design and simulation of optical sensors and long-range communication systems including fibre and FSO systems. The designed prototype systems are tested and characterised with various high-end instruments available in the Optical Sensing and Communication Laboratory.
Software
- CST Microwave Studio Suite
- Optiwave Software
- COMSOL Multiphysics
- OcSim Software
- Ansys HFFS
- MATLAB / Simulink
Hardware
Instrument/Device
Functionality & Use
OTDR (optical time domain refractometer)
- Enhanced support of FTTH to Metro, Core Network
- High Dynamic Range (45dB)
- Short Dead Zone (0.8 m)
OSA (optical spectrum analyzer)
- 1 Ultra high Wavelength Accuracy; ±10 pm (1520 to 1580 nm); ±20 pm (1450 to 1520 nm); ±20 pm (1580 to 1620 nm); ±50 nm (600 to 1700 nm)
- High Wavelength Linearity; ±10 pm (1520 to 1580 nm); ±20 pm (1450 to 1520 nm); ±20 pm (1580 to 1620 nm)
- Wide close-in dynamic range: 70 dB @ ±0.2 nm
- Max input power: +23 dBm per channel; Max safe input power: +27 dBm
OSA (optical spectrum analyzer)
- 1 Ultra high Wavelength Accuracy; ±10 pm (1520 to 1580 nm); ±20 pm (1450 to 1520 nm); ±20 pm (1580 to 1620 nm); ±50 nm (600 to 1700 nm)
- High Wavelength Linearity; ±10 pm (1520 to 1580 nm); ±20 pm (1450 to 1520 nm); ±20 pm (1580 to 1620 nm)
- Wide close-in dynamic range: 70 dB @ ±0.2 nm
- Max input power: +23 dBm per channel; Max safe input power: +27 dBm
Splicer machine
- Dual Independent Splice Protection Heaters
- 5.6” Switchable Color Monitor for Front to Back or Back to Front Operation
- Complete Splice in Less than 40 Seconds
FRAME Controller
- TLS module AQ 2200-136
- ATTH module AQ 2200-311
- OSW module AQ 2200-411
- Interface module AQ2200-201
Optical power meter
- 4 digit, .01dB Display Readout
- .15 dB accuracy, .01 dB linearity
- 73 dB of Measurement Range
Hot Air Oven cum Incubator
- KW/HP 1.5
Manual Ultra-Selective Filters with Narrow Bandwidth
PIN Diode
- 1.5 GHz InGaAs fiber optic photodetector
- 960nm -1700nm
Fabry-Perot Laser Diodes, Pigtailed Butterfly Package
- Center Wavelengths from 1310 to 2000 nm 14-Pin Butterfly Package with Integrated TEC and Thermistor Pigtailed with 1.5 m of SM or PM Fiber
Modulator with Polarizer
- 10GHz Operating range 1525-1605 nm PRBS optical extinction ratio 13 dB
FTTD Erbium Doped Fiber Amplifier
- R/B: downlink Red-Band (1548~1564nm), Uplink Blue-Band (1528~1563nm), C/C: Downlink and uplink are used C-Band (1528~1564nm), L/L Downlink and uplink are used L-Band (1570~1605nm), C/L: downlink use of C-Band, uplink use of L-Band, SCH: single channel or 1~8 continuous ribbon channels (ITU wavelength)
- F05: gain flatness =±0.25dB, F10: gain flatness=±0.5dB, F20: gain flatness=±1.0dB
DPO(Digital Phosphor Oscilloscope)
- Analog bandwidth 2.5 GHz Sample rate 10 GS/s – 40 GS/s Record Length 25M point – 500M point Channel 4
High Bandwidth, Bipolar Photodetector-Amplifier Module
- LOW NOISE – DOWN TO 100fW/vHz
- ULTRA HIGH BANDWIDTH – 1kHz TO 200MHz
- HIGH GAIN – UP TO 1.5V/µW
- SILICON OR InGaAs PINS, OR SILICON AVALANCHE PHOTODIODES
Programmable High Voltage Power Supply For Photodetector Biassing
- VERY LOW NOISE
- SHIELDED METAL CASE
61/2 Digit Multimeter
- 6½ digit resolution
- 10 measurement functions: DC/AC voltage, DC/AC current,
- and 4-wire resistance, diode, continuity, frequency, period
- 1000 V max voltage input, 3 A max current input
Pulse/ pattern Generator
- 400/660 MHz single- or dual-channel pulse data generator 400 MHz, 3.8 V, 50 O into 50 O (81131A) OR 660 MHz, 2.5 V, 50 O into 50 O (81132A)
- Pulse, burst, pattern modes selectable
Optical Spectrometer
- Optical Resolution: 0.18 nm FWHM
- Integration Time: 7.2ms – 5s
FBG Interrogator
- Sampling rate of: 1000 S/s; Dynamic range. 25 dB
- Number of parallel optical channels:04
- Measurement range (1500-1600 nm)
- Communication: Ethernet (RJ45); SCPI8 over TCP/IP
Tunable Optical Filter
- Narrow bandwidth , SM-28 fiber, with Circulator
- Tunning range : ±30 GHz
- Optical isolation> 25dB
- Tunning resolution :2 ppm
Laser Source
- Linewidth < 1 MHz
- Output Power: 40 mW
- Centre wavelength:1550 nm(ITU-T Grid)