Key Parameter
Specification |
Part number | LP-FA-SF-X-Y-CW(1) |
Wavelength Range | 976-978nm | 1012-1020nm | 1020-1080nm | 1080-1095nm | 1095-1340nm | 1340-2000nm |
Output Power | ＞2W/8W | ＞2W/10W/30W/ 50W/100W | ＞2W/10W/30W/50W/ 100W/130W/180W | ＞2W/10W/30W/ 50W/100W | ＞2W/ 10W/30W | ＞2W/5W |
Typical Wavelength | 977nm, 1012nm, 1064nm, 1112nm |
Bandwidth | ＞±2nm | ＞±2nm | ＞±10nm | ＞±5nm | ＞±5nm | ＞±2nm |
Relative Intensity Noise | <0.03% (RMS, 10Hz-10MHz Integration) |
Power Stability | <0.75% @3hours, RMS |
Power Tuning Range | 10-100% |
Output Mode | Single Mode PM fiber，FC/APC Connector（Output Power≤2W) OR Collimated Output（All Power） |
Beam Diameter（3） | 0.6±0.2mm(Output Power≤30W)， 1.7±0.3mm(Output Power>30W) |
Pointing Stability | <±2μrad/℃ |
Beam Quality | TEM00，M²<1.1 |
Polarization | Linear, >23dB |
Seed Laser Input Power | ≥10mW(2)，Single Mode PM Fiber，FC/APC Connector |
Seed Laser Input Isolation | >25dB |
Output Laser Isolation | >25dB |
Cooling | Air Cooling(Output Power≤50W)/Water Cooling（All Output Power） |
Operating Environment & Power Supply |
Temperature | 15-30 ℃（Air Cooling） OR 15-35 ℃（Water Cooling） |
Power Supply | 100V-240V, AC, 50/60Hz |
Communication | RS422 |
(1)X is the center wavelength，Y is the output power, for 1064nm 50W amplifier, the part number is LP-FA-SF-1064-50-CW
(2) Default input power should be 10-50mW, for higher or lower input power, please email us for customization
(3) Beam size for collimated outout，If PM fiber FC/APC connector output，there is no extra collimator
Power Spectral Testing
Table 1. Output power versus current curve
Pump Current(A) | Output Power (W) @35mW Seed Laser | PD2 Feedback | PD3 Feedback Value |
8 | 0.03 |
|
|
9 | 0.08 |
|
|
10 | 0.32 | 3 | 22 |
11 | 1.37 | 18-25 | 95 |
12 | 4.35 | 77-100 | 308 |
13 | 9.36 | 190-260 | 615 |
14 | 15.8 | 390-500 | 1021 |
15 | 21.4 | 480-620 | 1322 |
16 | 26.9 | 640-860 | 1348 |
16.5 | 29.2 | 800-1100 | 1350 |
16.7 | 30.5 | 800-1410 | 1360 |
Spectral Testing
The amplified output delivers 30 W at a central wavelength of 1206.46nm, with a signal-to-noise ratio of 42dB.
Figure 1. Output spectrum at 30 W power
Power Stability Testing
The laser has an output power of 30 W, with an RMS power stability of 0.45% over a 2-hour period.
Figure 2. 2-hour output power stability test
Polarization degree testing
The output laser is linearly polarized light with a polarization degree exceeding 19 dB.
Figure 3. Polarization degree measurement under different pump currents
Beam quality
The output beam quality measurement yields an M2 value of 1.04. The collimated output spot diameter is approximately 1.5 mm.
Figure 4. M2 Test
Line width testing
The seed line width is 254 kHz, and the amplified output line width measurement is 254kHz.
