1550nm 20mW 100khz single-band narrow linewidth laser single-mode fiber module can be used for distributed fiber sensing

1550nm 20mW 100khz single-band narrow linewidth laser  single-mode fiber module can be used for distributed fiber sensing

Wavelength: 1550nm
Fiber specification: single-mode fiber
Fiber optic connector: FC/APC
Wavelength accuracy: 1550+/-1nm
Output power: 20mW
Line width: 100Khz
Chip type: DFB

1. Description:

The single-band narrow linewidth fiber laser uses an ultra-narrow linewidth outer cavity semiconductor laser chip, with an output wavelength of 1550nm of a single longitudinal mode laser, with a spectral linewidth of less than 100kHz, coupled to a single-mode or polarization-maintaining fiber, and available in a module or desktop package, which is a cost-effective laser source that can be used for distributed sensing.

2. Features:
Spectral linewidth≤100KHz;
DFB laser chip;
Wavelength stable with no mode hopping.

3. Application:
Lidar;
acoustic sensors, hydrophones;
Fiber Optic Distributed Sensing

parameter:

Operating wavelength: 1550±1nm

Spectral line width @3dB: <100Khz

Edge mode rejection ratio: ≥50dB

Wavelength stability: ≤±100MHz.@8h

Working mode :CW Continuous light

Power stability (short term 15 minutes) :≤±0.02dB.Equivalence≤±0.5%

Power stability (long-term 8 hours):≤±0.05dB.Equivalence≤±1.2%

polarization state :Random polarization.SM fiber.Linear polarization PM fiber

Optical fiber Type :SMF-28 SM fiber PM1550 PM fiber

Pigtail connection type :FC/APC.Customizable

Size :260 (W) X280(D)X120(H) mm.Benchtop

70 (W) X90(D)X15(H)mm.Module

Power supply V:100 to 240V AC,<30W Benchtop

5V DC,<15W Module

Communication port :DB9Female (RS232)

Operating temperature :-5~+35℃

Storage temperature :-40 ° C to +85 ° C