SLD322XT Sony Corporation, SLD322XT Datasheet - Page 4

• Manufacturer Part Number: SLD322XT
• Description: 0.5W High Power Laser Diode
• Manufacturer: Sony Corporation

TE cooler characteristics
Differential efficiency vs. Temperature characteristics
10
5
0
1.0
0.5
0
0
Temperature dependence of far field pattern
–90
–10
–60
TE cooler characteristics 1
Tth – Thermistor temperature [ C]
T – Temperature difference [ C]
(Perpendicular to junction)
0
Tth: Thermistor temperature
Tc: Case temperature
T: Tc – Tth
–30
Angle [degree]
50
10
0
30
P
20
O
Tth = 25 C
Tth = 10 C
Tth = –5 C
Tc = 33 C
= 500mW
100
60
90
30
5
4
3
2
1
0
– 4 –
10
5
0
820
810
800
790
0
–10
50
10
TE cooler characteristics 2
Dependence of wavelength
Tth – Thermistor temperature [ C]
5
1
–10 0 10 20 30 40 50 60 70
Tth – Thermistor temperature [ C]
Thermistor characteristics
0
50
T [ C]
10
Po = 500mW
20
Tth = 25 C
100
30
SLD322XT
5
4
3
2
1
0