PDR-15-A-B-0 LIGHTEL | Alldatasheet
Document overview
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Technical content
Features
Eliminates polarization fading Maintains signal-to-noise ratio Compact package PCB mountable 1550 or 1310 nm Lightel’s PDR is a highly efficient and cost-effective Polarization Diversity Receiver (PDR) for use in fiber optic interferometric measurement and sensing systems. The PDR eliminates polarization fading in fiber optic interferometers without significant degradation in the signal-to-noise ratio. The PDR serves as a receiver to fiber optic interferometers that allow for polarization fading through random birefringence fluctuations. The three independent polarized receivers assure that at least one of the outputs has high interferometric visibility. Input light is split by a 1x3 fiber optic coupler made with SMF-28 with low polarization dependent loss. The three outputs are pigtailed to polarized PIN photodiodes (InGaAS). The polarizer orientation of the photodiodes is 0, +60 and -60 degrees. Housed in a compact and slim package, the Lightel PDR is PCB- mountable and easily integrated into your system design. PDRs are available for 1550 or 1310 nm wavelengths. Polarization Diversity Receiver PDR Ideal for Fiber Optic Interferometric Sensors
2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA
(425) 277-8000 ph (425) 277-5280 fax sales@lightel.com www.lightel.com Polarization Diversity Receiver Wavelength 1550 or 1310 nm (C band) Split Method 3x3 coupler (SMF-28e) PDR Method Polarized detectors Polarizer Alignment Error ± 2 degrees Loss (each port) 6.5 dB typical, assuming light is aligned with polarizer Interface FC/APC pigtail, 1.5 m length, SMF-28e Operating Temperature Range 0° C to + 55° C Storage Temperature Range -20° C to + 65° C Humidity 0 to 95% non-condensing Weight 0.1 lbs (45 grams) Photodiode Device Active Area / Type 100 µm / InGaAs PIN Dark Current -5V Typical 2 nA Capacitance -5V 1.25 pF maximum Responsivity 1500 nm 0.90 – A/W Rise / Fall 0.5 ns Absolute Maximum Ratings Reverse Voltage 25 Volts (max) Forward Current 10 mA (max) Reverse Current (under bias) 10 mA (max) Soldering Temperature 260° C, 10 seconds (max)
Ordering Information
P D R – – – – Center Wavelength Fiber Length Pigtail Style Connector 15 : 1550 nm A: 1 meter (=Package style) 0: None 7: LC/UPC 13 : 1310 nm B: 1.5 meters B: Bare fiber 1: FC/PC 8: LC/SPC S: Special L: 900 µm loose tube 2: FC/APC 9: Special 3: SC/PC A: FC/UPC 4: SC/APC B: SC/UPC 5: FC/SPC C: ST 6: SC/SPC Specifications