YDFLP Fiber Laser Installation
Guide and User Manual
File Number: EFLP001-B-E
Shenzhen JPT Opto-electronics Co. Ltd.
Version : V05 Date:2017
8
Table 5 Threshold Frequency
（
kHz
）
of LP series laser
Pulse width(ns)
30-LP2+-L1
30-LP1+-S
20-LP1+-S
20-RE+-S
60-LP1+-L1
200
30khz
37khz
30khz
30Khz
50Khz
The cut-off frequency is the minimum frequency that the laser can be operated with maximum
peak power and average power. Please operate the fiber laser at frequency higher than the cut-off
frequency.
*Above the cut-off Frequency value is the fiber laser full power output range, oppositely,
below the cut-off frequency value is the cut-off power output range. That means the fiber
laser will reduce the output power to protect the machine when below the cut-off frequency
value. Below is the charts that showed the change between frequency and output
：
Figure 3
Cut-off Frequency & Output power relationship charts
* Remarks:
Threshold frequency = Cut-off frequency, of which the definition are the same.
