LDS-1650-DFB-1.25G-10/20
OVERVIEW
LDS-1650-DFB-1.25G-10/20 is a laser diode coupled to an optical fiber
The special feature of the LDS technology is the increased thermal stability of optical power
MAIN FEATURES
• Wavelength: 1650 nm
• Cavity type: DFB
• Linewidth < 500 kHz
• Data rate up to 1.25 Gbps
• Optical power: up to 10 mW in CW mode and up to 20 mW in pulse mode
• Typical thermal stability of optical power (tracking error) 0.15 dB
• Package types: coaxial
• Built-in monitor photodiode
APPLICATIONS
• Optical fiber systems
• Laser systems
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
Parameter
Value
Unit
Conditions
Laser diode forward current
IFL
120
mA
CW
300
Pulse
Laser diode reverse voltage
VRL
2
V
Photodiode reverse voltage
VRP
10
V
Operating temperature
Top
-40 ÷ +85
°C
Package U, B
Storage temperature
Tstg
-50 ÷ +85
°C
Soldering temperature
Tsold
260
°C
Max. 10 seconds
ELECTRICAL-OPTICAL CHARACTERISTICS (T = 25 °C)
Parameter
Min
Typ
Max
Unit
Conditions
Wavelength
λ
1645
1650
1655
nm
CW, P = 10 mW
Spectral width
Δλ
0.08
nm
CW, P = 10 mW, -20 dB, OSA
Spectral width
Δν
500
kHz
CW, P = 10 mW, delayed self- heterodyne method
Wavelength-temperature coeff.
dλ/dT
0.11
nm/°C
Side-mode suppression ratio
SMSR
40
55
dB
CW, P = 10 mW
Threshold current
Ith
15
20
mA
CW
Operating current
Iop
90
110
mA
CW, P = 10 mW
Pulse optical power
PP
15
20
mW
Pulse, Iop = 250 mA
Operating voltage
Vop
1.5
1.9
V
CW, P = 10 mW
Slope efficiency
Se
0.10
0.13
mW/mA
CW, P = 5 mW, SM1, SM3
Tracking error
Er
0.1
0.2
dB
CW, P = 3 mW, T = -20 ÷ +50 °C
Monitoring output current (PD)
Im
0.2
1
4
mA
CW, P = 10 mW, Vrd = 5 V
Dark current (PD)
Id
200
nA
Vrd = 5 V
Polarization extinction ratio
PER
20
dB
CW, SMP15
Pulse mode: pulse duration 10 μs, duty cycle = 0.01
Tracking error Er = max|10 lg[P(T)/P(25°C)]|, Im = const, T = Tmin ÷ Tmax
CHARACTERISTICS (T = 25 °C)
PACKAGE TYPE AND ELECTRICAL CONNECTION
商品属性 [波长] 1650 nm [功率] up to 10 mW in CW mode and up to 20 mW in pulse mode [激光器类型] DFB [封装方式] coaxial