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1690nm Superluminescent LED
Category: SLD  Publish Time: 2014-07-30 12:26 

1690nm Superluminescent LED
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 Part NO. :  DCFBG-series
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1690nm Superluminescent LED

Description
The  Idealphotonics SLD-876 series  is  a broadband  SLED that operates  in  a true  inherent superluminescent  mode.  This  superluminescent  property  generates  broader  band at higher drive currents in contrast to other conventional SLEDs which are ASE-based, where high   drive   tends   to  give   narrower   band.  Its   low   coherence   reduces   Rayleigh backscattering  noise.  Coupled  with  high  power  and large  spectral  width,  it  offsets photoreceiver noise and improves spatial resolution (in OCT) and measurand sensitivity (in sensors).   The   SLED   is   available   in   14-pin   BTF   package.   It   is   compliance   with   the requirements of Bellcore Document GR-468-CORE.
Enabled   by  IDP PICTM     spread   spectra   bandgap  engineering   technology,   future generations of Idealphotonics SLEDs promise higher chip powers (up to 50mW possible), and broader  spectral  bands  (beyond  120nm).  Higher  levels  of  integration  may  feature integrated  SLEDs  with  phase  modulators,  optical  couplers  and photodetectors  into  a complete optical sensor chipset.
For responsive prototyping enquiries please email: info@idealpotonics.com
Feathure 
Ex-fiber output power of >10mW
3dB bandwidth of >45nm
Spectral modulation of <0.5dB
14-pin BTF package
Single mode fiber
Application
Fiber Optic Gyroscope
Optical Test Instrument
Fiber Optic Sensors
Fiber Optic Communications
Optical Coherence Tomography
Biomedical Imaging Device
Clinical Healing Equipment
Packages
DIL, BUT; others on request
Additional & customized
PM fiber pigtails (slow axis alignment; 45 degree orientation upon request)
FC/APC terminated pigtails
Specification
ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Condition

Min

Max

Unit

Reverse voltage

VR

 

 

2

V

Forward current

IF

 

 

450

mA

Forward voltage

VF

Iop

 

3

V

Case temperature

Tc

Iop

-40

65

°C

SLED temperature1

TSLED

Iop

0

70

°C

Thermoelectric cooler voltage

VTEC

 

 

3.56

V

Thermoelectric cooler current

ITEC

 

 

2.6

A

Storage temperature

Tstg

Unbiased

-40

85

°C

Storage humidity

 

 

5

85

%RH

Electro static discharge (ESD)

VESD

Human body model

 

500

V

Lead soldering temperature

Stemp

 

 

260

°C

Lead soldering time

Stime

 

 

10

sec

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating current

Iop

 

 

 

400

mA

Forward voltage

VF

Iop

 

 

2

V

Power in SMF

Po

Iop

10

 

 

mW

Central wavelength

λ

Iop

1680

1690

1700

nm

Bandwidth

BFWHM

Iop

45

 

 

nm

Spectrum modulation

R

Iop

 

 

0.5

dB

Thermistor resistance

Rtherm

T = 25 °C

9.5

10

10.5

kΩ

Thermoelectric cooler voltage

VTEC

Iop

 

 

3

V

Thermoelectric cooler current

ITEC

Iop

 

 

1.8

A

PERFORMANCE EXAMPLES

Ordering information
SLD-876-LP-(c)-(d),
where:c – package type,d – SM (isotropic) or PM (polarization maintaining).
 Example: SLD-876-LP-DBUT-SM.
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