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   INFRARED PHOTO
   DETECTORS

   GENERAL PARAMETERS
   PbSe INFRARED DETECTORS
   UNCOOLED

   PbSe INFRARED DETECTORS
   COOLED

   INTERFERENCE FILTERS

   LIGHT EMITTING DIODES

   GENERAL PARAMETERS
       LE-34
       LE-42


Light Emitting Diodes LE-42




ITEM

PARAMETERS

SYMBOL

MIN

TYP

MAX

UNITS

1

Peak wavelength

λpeak

4.0

4.1

4.2

μm

25 oC

2

Temperature coefficient of radiant power (peak wavelength)

Wt

-1.2

-1.3

-1.4

%/K

-20 to +40 oC

3

Temperature coefficient of peak wavelength shift

Wf

-5.2

nm/K

-20 to +40 oC

4

Spectral bandwidth

W

760

800

860

nm

25 oC

5

Average radian power

Pa

0.085

0.13

mW

Ic=80mA

6

Peak radian power

Pp

0.4

0.6

mW

650mA@Q=15




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