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InAs/InAsSb Photovoltaic Detectors

Photovoltaic detectors (photodiodes) in which the semiconductor layer is made of InAs or InAsSb materials. Absorbed photons produce charge carriers that are collected at the ciodes have complex current voltage characteristics. The devices can operate either at flicker-free zero bias or with reverse voltage.

These detectors are cadmium and mercury free. As a result, the detectors comply with the RoHS directive and can be used in the consumer market.

NEW InAs and InAsSb IR detectors

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Image

Name

Active element material

Cooling

Immersion

Active area

Peak wavelength

?

λpeak, μm

Cut-off wavelength (10%)

?

λcut-off, μm

Current responsivity

?

Ripeak), A/W

Detectivity

?

D* (λpeak, f = 20 kHz), cm⋅Hz1/2/W

Time constant

?

τ, ns

Package

Window

Datasheet

Material

InAs

Cooling

no

Immersion

no

Active area

1×1

Peak wavelength

3.1

Cut-off wavelength cut-off

3.5

Responsivity

0.9

Detectivity

7.0×10\(^{9}\)

Time constant

35

Package

TO39

Window

no

Material

InAs

Cooling

no

Immersion

no

Active area

d1.2

Peak wavelength

2.9

Cut-off wavelength cut-off

3.6

Responsivity

0.6

Detectivity

5.0×10\(^{9}\)

Time constant

35

Package

SMD

Window

pAl2O3

Material

InAsSb

Cooling

no

Immersion

yes

Active area

1×1

Peak wavelength

4.5

Cut-off wavelength cut-off

5.3

Responsivity

1.2

Detectivity

5.0×10\(^{9}\)

Time constant

15

Package

TO39

Window

no

Material

InAsSb

Cooling

1TE

Immersion

no

Active area

1×1

Peak wavelength

4.0

Cut-off wavelength cut-off

5.5

Responsivity

0.16

Detectivity

8.6×10\(^{9}\)

Time constant

40

Package

TO39

Window

pSiAR

Material

InAsSb

Cooling

1TE

Immersion

no

Active area

1×1

Peak wavelength

4.3

Cut-off wavelength cut-off

6.6

Responsivity

0.18

Detectivity

4.3×10\(^{9}\)

Time constant

48

Package

TO39

Window

pSiAR

Material

InAsSb

Cooling

no

Immersion

yes

Active area

1×1

Peak wavelength

7.1

Cut-off wavelength cut-off

12.0

Responsivity

0.14

Detectivity

7.7×10\(^{8}\)

Time constant

1.65

Package

TO39

Window

no

Material

InAsSb

Cooling

4TE

Immersion

yes

Active area

1×1

Peak wavelength

6.7

Cut-off wavelength cut-off

11.3

Responsivity

0.55

Detectivity

1.0×10\(^{10}\)

Time constant

3

Package

TO8

Window

wZnSeAR

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InAs and InAsSb IR detectors

Filter results

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Image

Name

Cooling

Immersion

Peak wavelength

?

λpeak; µm

Detectivity

?

D* (λpeak); cm⋅Hz1/2/W

Time constant

?

τ, ns

Package

Datasheet

Cooling

no

Immersion

no

Wavelength

2.9±0.3

Detectivity

≥ 5.0×10\(^{9}\)

Time constant

≤ 20

Package

TO39

Cooling

no

Immersion

yes

Wavelength

2.9±0.3

Detectivity

≥ 5.0×10\(^{10}\)

Time constant

≤ 20

Package

TO39

Cooling

2TE

Immersion

no

Wavelength

2.9±0.3

Detectivity

≥ 5.0×10\(^{10}\)

Time constant

≤ 15

Package

TO8

Cooling

2TE

Immersion

yes

Wavelength

2.9±0.3

Detectivity

≥ 5.0×10\(^{11}\)

Time constant

≤ 15

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

4.0±0.3

Detectivity

~7.0×10\(^{9}\)

Time constant

~10

Package

TO8

Cooling

no

Immersion

no

Wavelength

4.5±0.6

Detectivity

≥ 5.0×10\(^{8}\)

Time constant

≤ 60

Package

TO39

Cooling

no

Immersion

no

Wavelength

4.2±0.3

Detectivity

~1.2×10\(^{9}\)

Time constant

~11

Package

TO39

Cooling

2TE

Immersion

no

Wavelength

4.5±0.6

Detectivity

≥ 4.0×10\(^{9}\)

Time constant

≤ 15

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

4.0±0.3

Detectivity

~9.0×10\(^{9}\)

Time constant

~4

Package

TO8

Cooling

2TE

Immersion

yes

Wavelength

4.5±0.6

Detectivity

≥ 4.0×10\(^{10}\)

Time constant

≤ 5

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

6.2±0.3

Detectivity

~2.8×10\(^{8}\)

Time constant

~12

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

4.0±0.5

Detectivity

~2.6×10\(^{8}\)

Time constant

~17

Package

TO8

Cooling

3TE

Immersion

no

Wavelength

6.1±0.3

Detectivity

~4.3×10\(^{8}\)

Time constant

~17

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

6.0±0.3

Detectivity

~1.9×10\(^{8}\)

Time constant

~7

Package

TO8

Cooling

3TE

Immersion

no

Wavelength

10.5±0.3

Detectivity

~2.5×10\(^{8}\)

Time constant

~4

Package

TO8

Cooling

3TE

Immersion

yes

Wavelength

8.0±1.0

Detectivity

~2.0×10\(^{9}\)

Time constant

~4

Package

TO8

Cooling

2TE

Immersion

no

Wavelength

10.7±0.3

Detectivity

~1.2×10\(^{8}\)

Time constant

~3

Package

TO8

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