Wuhan Juhere Photonics Technologies Co., Ltd
SW-PFL-1572 Series of Narrow Line-Width Fiber Pulsed Laser
Classification:
The SW-PFL-1572 is a series of 1550nm narrow line-width fiber pulsed laser, that designed specifically for coherent heterodyne absorption detection of CO,. The laser outputs two diferent wavelengths pulses in a time, using division multiplexing manner.One pulse wavelength locates at the center of the CO, absorption line, and the other pulse wavelength close to the CO, absorption line but with little absorption of CO,, thus achieving diferential absorption detection. The SW-PFL-1572 series fiber laser can generate single pulse energy exceeding 80 y. The output pulse is linearly polarized, with very high polarization extinction ratio, long coherence length, low noise and excellent output beam quality. The SW-PFL-1572 series fiber laser can work around the clock in most harsh environment, making it an ideal laser source for various Co, detection fields, Moreover, lasers of differential absorption detection for various gases can also be customized.
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Description
Feature
● Dual wavelength pulse output , using time division multiplexing
● Multiple gas differential absorption bands available
● Low RIN noise and phase noise
● High extinction ratio linearly polarized output
● All fiber structure, stable and reliable
Application
● Monitoring of atmospheric environment CO2
● Pollution monitoring
Specification
| Optical parameters'@25℃ | RS-L-1572-150 | |
| Mode of operation | Pulsed | |
| Operating wavelength | 1572±1nm | |
| Energy per pulse | 150μJ | |
| Peak power | 187.5W | 187.5W |
| Pulse repetition frequency | 10kHz | 20kHz |
| Pulse width | 800ns | |
| Average output power | 1.5W | 3W |
| Spectral line-width | <15kHz | |
| Output frequency shift | 80MHz | |
| Thermal modulation width | 1000pm | |
| Relative intensity noise | <-120dB/Hz above 2kHz, shot noise limited above 500kHz | |
| Polarization | Linear with PER>17dB | |
| Beam quality, M2 | <1.5 | |
| Local oscilator optical power | >1mW (customer requirement) | |
| Output type | circulator | |
| Output optical fiber type | Panda LMA 25μm | |
| Output optical fiber length |
100±5cm (Seed output,local oscillator, Amplifier input,circulator Port3) 35±5cm (Amplifier output, namely circulator Port2), 3mm sheath |
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| Tap and output termination | FC/APC | |
| Power loss | <30W@ Seed module, <70W@ Amplifier module | |
| Platform parameters | RS-L-1572-150 |
| DC supply voltage | 24V |
| Control mode | RS232 / External trigger |
| Thermal stability time | <15min |
| Dimension |
300 x 335 x 90mm (Seed module) 240 x 170 x 57mm (Amplifier module) |
| Weight |
5.5kg (Seed module) 2.6kg (Amplifier module) |
| Operating temperature | -10 to +65℃ |
| Storage temperature | -40 to +85℃ |
1 Wavelength is optional.
2 Pulse repetition frequency and pulse width are optional.
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SW-PFL-1572 Series of Narrow Line-Width Fiber Pulsed Laser
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Add: 6/F, Building #5, Optical Valley New Dynamic, #219 Guanggu 2nd Road, East Lake High-tech Zone, Wuhan 430205, P.R.China