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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-34




ITEM

PARAMETERS

SYMBOL

MIN

TYP

MAX

UNITS

1

Peak wavelength

λpeak

3.30

3.4

3.6

μm

25 oC

3

Temperature coefficient of radiant power (peak wavelength)

Wt

-1.0

-1.2

-1.3

%/K

-20 to +60 oC

4

Temperature coefficient of peak wavelength shift

Wf

-4.3

nm/K

-20 to +60 oC

5

Spectral bandwidth

W

600

700

850

nm

25 oC

6

Average radian power

Pa

0.085

0.12

mW

Ic=80mA

7

Peak radian power

Pp

0.5

0.65

mW

650mA@Q=15




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