LDI-1550-FP-1.25G-15/50
OVERVIEW
LDI-1550-FP-1.25G-15/50 is an InGaAsP MQW laser diode coupled to an optical fiber
MAIN FEATURES
• Wavelength: 1550 nm
• Cavity type: Fabry-Perot
• Optical power: up to 15 mW in CW mode and up to 50 mW
in pulse mode in the single-mode fiber G.657.A1
• Package types: coaxial
• Built-in monitor photodiode
APPLICATIONS
• Optical fiber communication systems with data rate up to 1.25 Gbps
• OTDR
• Laser systems
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
Parameter
Value
Unit
Conditions
Laser diode forward current
IFL
140
mA
CW
500
Pulse
Laser diode reverse voltage
VRL
2
V
Photodiode reverse voltage
VRP
20
V
Photodiode forward current
IFP
2
mA
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
1520
1550
1580
nm
CW, P = 15 mW
1570
Pulse, P = 50 mW
Spectral width
Δλ
10
12
nm
CW, P = 15 mW, FWHM
15
20
Pulse, P = 50 mW, FWHM
Wavelength-temperature coeff.
dλ/dT
0.7
nm/°C
Threshold current
Ith
10
20
mA
CW
Operating current
Iop
110
130
mA
CW, P = 15 mW
Pulse optical power
PP
45
50
mW
Pulse, Iop = 450 mA
Operating voltage
Vop
1.6
1.8
V
CW, P = 15 mW
Slope efficiency
Se
0.12
0.15
mW/mA
CW
Tracking error
Er
0.4
0.6
dB
CW, P = 3 mW, T = -40 ÷ +80 °C, SM1, SM3
Rise and fall times
tr, tf
300
700
ps
10% - 90%, Package U, B
Monitoring output current (PD)
Im
0.2
1.5
4
mA
CW, P = 15 mW, Vrd = 5 V
Capacitance (PD)
Ct
10
20
pF
Vrd = 5 V, f = 1 MHz
Dark current (PD)
Id
100
nA
Vrd = 5 V
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
If the central wavelength 1550 nm in the pulse mode is needed, it is recommended to use the laser diode module LDI-1530-FP-15/50
CHARACTERISTICS (T = 25 °C)
PACKAGE TYPE AND ELECTRICAL CONNECTION
商品属性 [波长] 1550nm [功率] up to 15 mW in CW mode and up to 50 mW in pulse mode [激光器类型] FP [封装方式] coaxial