RLD-78PP-G1 / RLD-78NP-G1

Laser Diodes

!

!

!

!Electrical and optical characteristics

(Ta=25

°C)

Parameter

Symbol

η

λ

∆P

Min.

10

15

-

0.1

0.3

8

25

-

-

-

770

-

Typ.

25

45

1.9

0.2

0.55

11

30

-

-

--

785

5

Max.

45

65

2.3

0.3

0.9

15

38

±2

±3

±80

795

10

Unit

mA

-

Po=3mW

Po=3mW

Po=3mW

Po=3mW

Po=3mW

Po=3mW

mA

V

mW/mA

mA

deg

deg

deg

deg

µm

nm

%

Conditions

Parallel deviation angle

Parallel divergence

angle

Perpendicular deviation

angle

Emission point

accuracy

Peak emission

wavelength

Perpendicular

divergence angle

Monitor current

Differential efficiency

Operating voltage

Operating current

Threshold current

Droop

2mW

I(3mW)

−I(1mW)

∆Y

∆Z

∆X

!

!

!

!Electrical and optical curves

(mA)

Fig. 1 Optical output vs. operating current

10

0

1

2

3

4

5

20

30

40

50

60

70

80

60˚C

50˚C

40˚C

25˚C

Fig. 2 Dependence of threshold current

on temperature

-10

0

10

-20

20

30

40

50

60

70

10

100

90

80

70

60

50

40

30

20

θ direction

θ direction

ANGLE (

deg)

Fig. 3 Far field pattern

-40

0

0.5

1.0

040