10V

+

0.1

1

10

100

GL538

GL537

90%

10%

Semiconductor laser

Pulse generator

Output

Input

Output

Please refer to the chapter "Precautions for Use". (Page 78 to 93)

Test Circuit for Response Time

PD413PI

PD413PI

A

- 25

100

0

20

40

60

80

100

120

140

160

Test circuit

Fix PD and GL at position so that distance

between them may be I

=100

µ A

at I =20mA and Ta=25˚C

SC

()

PD413Pl

GL537/ GL538

F

Distance between emitter and detector d (mm)

Fig. 7 Relative Output vs. Ambient Temperature

(Detector : GL537/GL538)

0

255075

Fig. 8 Radiation Diagram

Fig. 9 Relative Output vs. Distance

(Detector : GL537/GL538)

Ta= 25˚C

Fig. 10 Response Time vs. Load Resistance

2

5

2

5

2

5

2

5

25

25

25

25

10

Ω )

0

100

20

40

60

80

+ 20˚

+10˚

+ 90˚

+ 80˚

+ 70˚

+ 50˚

+ 60˚

+ 40˚

+ 30˚

- 30˚

- 40˚

- 50˚

- 60˚

- 70˚

- 80˚

- 90˚

- 10˚

- 20˚

Angular displacement

θ

0

q