Fig. 1. Principle block diagram of pulsed laser rangefinder

Fig. 2. Jamming principle diagram of high-repetition rate laser to rangefinder

Fig. 3. Layout diagram of test equipment

Fig. 4. (a) Scatter plot of ranging result without jamming; (b) Ranging result distribution pie diagram without jamming

Fig. 5. (a) Scatter plot of ranging result at pump power is 10.5 A When frequency is 150 kHz; (b) Scatter plot of ranging result at pump power is 11 A When frequency is 150 kHz; (c) Scatter plot of ranging result at pump power is 11.5 A When frequency is 150 kHz; (d) Scatter plot of ranging result at pump power is 12 A When frequency is 150 kHz; (e) Scatter plot of ranging result at pump power is 12.5 A When frequency is 150 kHz; (f) Scatter plot of ranging result at pump power is 13 A When frequency is 150 kHz

Fig. 6. Fitting diagram of ranging result distribution at f=150 kHz

Fig. 7. (a) Scatter plot of ranging result at pump power is 10.5 A, when frequency is 50 kHz; (b) Scatter plot of ranging result at pump power is 11 A, when frequency is 50 kHz; (c) Scatter plot of ranging result at pump power is 11.5 A, when frequency is 50 kHz; (d) Scatter plot of ranging result at pump power is 12 A, when frequency is 50 kHz

Fig. 8. (a) Scatter plot of ranging result at pump power is 10.5 A, when frequency is 30 kHz; (b) Scatter plot of ranging result at pump power is 11 A, when frequency is 30 kHz; (c) Scatter plot of ranging result at pump power is 11.5 A, when frequency is 30 kHz; (d) Scatter plot of ranging result at pump power is 12 A, when frequency is 30 kHz

Fig. 9. (a) Fitting diagram of ranging result distribution at f=50 kHz; (b) Fitting diagram of ranging result distribution at f=30 kHz

Table 1. Parameters of laser rangefinder

Table 2. Output power and effective jamming rate under different pump at f=150 kHz

Table 3. Effective jamming rate of laser with different repetition rate at different distance