The single-frequency narrow linewidth fiber laser uses an ultra-narrow linewidth external cavity semiconductor laser chip to output a single longitudinal mode laser with a wavelength of 1550nm, with a spectral linewidth of less than 100kHz, and a single-mode or polarization maintaining fiber coupled output. It is provided in a module or desktop package. It is a cost-effective laser source that can be used for distributed sensing.
Single-frequency narrow linewidth fiber laserusingUltra-narrow linewidth external cavity semiconductorlaserChip，Output wavelength 155Single longitudinal mode laser at 0nm, spectral linewidth is less than100kHz， Single mode or polarization maintaining fiber coupling output,Available in modular or desktop packages,is available fordistributed sensingHigh performance / price ratioLaser source.
Characteristics |
n spectral linewidth ≤100KHz |
n DFB resonator |
n Wavelength stable and no mode skipping |
Application |
n 激光雷达 |
n Acoustic sensing, hydrophone |
n Optical fiber distributed sensing |
optical criterion | Unit | typical values | Remarks | |
operating wavelength | nm | 1550±1 | ||
spectral linewidth@3dB | kHz | ≤100 | *3dB line width = 20dB line width/20 | |
side moderejection ratio | dB | ≥50 | ||
wavelength instability | MHz | ≤±100 | @8h | |
working mode | - | CW | continuous light | |
Output power | mW | 30 | ||
short-term stability(15 minutes) | dB | ≤ ±0.02 | equivalent≤±0.5% | |
long-term stability(8 hours) | dB | ≤ ±0.05 | equivalent≤±1.2% | |
polarization state | - | randomly polarized | linear polarization | |
pigtail type | - | SMF-28 | PM1550 | FC/APC |
Electrical and environmental parameters | desktop | Module |
Control mode | Press/ RS232 serial communication | RS232 serial communication |
communication interface | DB9 Female | DB9 Female |
Supply Electricity | 100~240V AC,<30W | 5V DC,<15W |
Ruler inch | 260(W)×280(D)×120(H)mm | 20mW:70(W)x90(D)x15(H)mm 50/100mW：125(W)x150(D)x20(H)mm |
operating temperature range | -5~+35°C | |
Operating humidity range | 0~70% | |
ordering information/Model | ||||
NLFL | operating wavelength(nm) | Output power(mW) | Output pigtail type | encapsulated form |
1550 | 20/50/100 | SM=SMF-28 PM=PM1550 | B= Desktop M= Module | |
Single-frequency narrow linewidth fiber laserusingUltra-narrow linewidth external cavity semiconductorlaserChip，Output wavelength 155Single longitudinal mode laser at 0nm, spectral linewidth is less than100kHz， Single mode or polarization maintaining fiber coupling output,Available in modular or desktop packages,is available fordistributed sensingHigh performance / price ratioLaser source.
Characteristics |
n spectral linewidth ≤100KHz |
n DFB resonator |
n Wavelength stable and no mode skipping |
Application |
n 激光雷达 |
n Acoustic sensing, hydrophone |
n Optical fiber distributed sensing |
optical criterion | Unit | typical values | Remarks | |
operating wavelength | nm | 1550±1 | ||
spectral linewidth@3dB | kHz | ≤100 | *3dB line width = 20dB line width/20 | |
side moderejection ratio | dB | ≥50 | ||
wavelength instability | MHz | ≤±100 | @8h | |
working mode | - | CW | continuous light | |
Output power | mW | 30 | ||
short-term stability(15 minutes) | dB | ≤ ±0.02 | equivalent≤±0.5% | |
long-term stability(8 hours) | dB | ≤ ±0.05 | equivalent≤±1.2% | |
polarization state | - | randomly polarized | linear polarization | |
pigtail type | - | SMF-28 | PM1550 | FC/APC |
Electrical and environmental parameters | desktop | Module |
Control mode | Press/ RS232 serial communication | RS232 serial communication |
communication interface | DB9 Female | DB9 Female |
Supply Electricity | 100~240V AC,<30W | 5V DC,<15W |
Ruler inch | 260(W)×280(D)×120(H)mm | 20mW:70(W)x90(D)x15(H)mm 50/100mW：125(W)x150(D)x20(H)mm |
operating temperature range | -5~+35°C | |
Operating humidity range | 0~70% | |
ordering information/Model | ||||
NLFL | operating wavelength(nm) | Output power(mW) | Output pigtail type | encapsulated form |
1550 | 20/50/100 | SM=SMF-28 PM=PM1550 | B= Desktop M= Module | |
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Anhui Public Network Security Record No. 34019202000815
