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Description
The HL1327CF/CN/SN/PF are 1.3 µm InGaAsP Fabry-Perot laser diodes with a multi-quantum well
(MQW) structure. They are suitable as light sources in short and medium range fiberoptic
communication systems. Laser output is delivered from the coaxial package through an attached single
mode fiber. A built-in photodiode provides monitor current output.
HL1327CF/CN/SN/PF
InGaAsP Laser Diodes
Features
• Wide operating temperature range: Topr = –40 to +85°C
• High output power: 0.6 mW (Pulse)
0.4 mW (CW)
• Low operating current: Iop (Pf = 0.4 mW) = 18 mA (Typ @TC = 25°C)
Iop (Pf = 0.4 mW) = 38 mA (Typ @TC = 85°C)
Fiber Specifications
• Mode field diameter: 9.5 ±1.0 µm
• Cutoff wavelength: 1.10 to 1.27 µm
• Outer diameter: 125 µm
• Jacket diameter: 900 µm
• Fiber minimum Bend Radius: 25mm
• Fiber length: More than 1000 mm
214
HL1327CF/CN/SN/PF
215
HL1327CF/CN/SN/PF
Absolute Maximum Ratings (TC = 25°C)
Item Symbol Rated Value Unit
Fiber optical output power Pf
LD reverse voltage V
PD reverse voltage V
PD forward current I
Pf
F (PD)
(Pulse)
(CW)
R (LD)
R (PD)
Operating temperature Topr –40 to +85 °C
Storage temperature Tstg –40 to +85 °C
Note: 1. Maximum 50% duty cycle, maximum 1 µs pulse width
Optical and Electrical Characteristics (TC = 25°C)
Item Symbol Min Typ Max Unit Test Conditions
Threshold current Ith — 8 20 mA
Fiber optical output power Pf 0.4 — — mW Kink free
Slope efficiency ηs 0.008 0.040 — mW/mA TC = 25°C
0.004 0.020 — TC = 85°C
Lasing wavelength λc 1280 1310 1340 nm Pf = 0.3 mW, RMS
Spectral width σ — 2 — nm Pf = 0.3 mW, RMS
Rise time tr — — 0.5 ns 10 to 90%
Fall time tf — — 0.5 ns 90 to 10%
Monitor current Is 100 — — µA Pf = 0.3 mW, V
PD dark current I
(DARK)
PD capacitance Ct — 15 20 pF V
Photosensitivity saturation voltage V
R(S)
— — 350 nA V
— — 2 V
1
0.6 *
mW
0.4 mW
2 V
15 V
1 mA
= 5 V
R(PD)
= 5 V, f = 1 MHz
R(PD)
R(PD)
= 5 V
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Typical Characteristic Curves
HL1327CF/CN/SN/PF
217
HL1327CF/CN/SN/PF
Typical Characteristic Curves (cont)
218
Typical Characteristic Curves (cont)
HL1327CF/CN/SN/PF
219
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