Data Sheet

2

Characteristics

Parameter

Min

Typ

Max

Unit

Threshold current (I

35

45

mA

Operating drive current (I

A thru F

650

mA

G thru L

700

Forward voltage

1.9

2.5

V

Centre wavelength (l

974

nm

Spectral width (RMS @ -13dB)

0.2

1

nm

Spectrum stability (t = 60s)

±0.2

nm

Temperature dependence of peak wavelength

0.02

nm/°C

Wavelength tolerance

±0.5

nm

Monitor detector responsivity

1.0

8

25

µA/mW

Monitor dark current

50

nA

Thermistor resistance (at 25°C)

9.5

10

10.5

k

Intended laser submount operating temperature

20

25

30

°C

Power Stability

Peak-to-peak, t = 60s,

DC to 50kHz sampling, T

>20mW

0.2

dB

10 – 20mW

0.5

dB

3.5 – 10mW

1dB

Heatpump current (

∆T = 50°C, I

1.5

A

Heatpump voltage (

∆T = 50°C, I

2.8

V

Product with a tight fibre power Tracking Error specification is available on request.

Conditions unless otherwise stated:

Case temperature -20 to +75°C

Submount temperature 25°C

Monitor diode bias -5V

CW operation

Kink-free fiber-coupled output power:

LC95A74-20R

300mW

LC95G74-20R

360mW

(wavelength = 974nm)

LC95B74-20R

310mW

LC95H74-20R

370mW

LC95C74-20R

320mW

LC95J74-20R

380mW

LC95D74-20R

330mW

LC95K74-20R

390mW

LC95E74-20R

340mW

LC95L74-20R

400mW

LC95F74-20R

350mW