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Two-color detectors

E-mail contact

+886-2-8772-8910

Two-Color Detectors use a combination of two light sensors with different spectral response, in which one sensor is mounted over the other sensor along the same optical axis to provide a broad spectral response range. Thermoelectrically cooled two-color detectors are also provided that cool the sensors to maintain their temperatures constant, allowing high precision measurement with an improved S/N.

Type no.

Cooling

Detector

Photosensitive
area
(mm)

Spectral
response range
λ
(µm)

Peak sensitivity
wavelength

λp
(µm)

Photo-sensitivity
S
(A / W)

Package

Photo

K1713-003

Non-cooled

Si

2.4 × 2.4

0.32 to 5.3

0.94

0.45

TO-5

InAsSb

0.7 × 0.7

3.5

0.039

K1713-05

Si

2.4 × 2.4

0.32 to 1.7

0.94

0.45

InGaAs

ϕ0.5

1.55

0.55

K1713-08

Si

2.4 × 2.4

0.32 to 2.6

0.94

0.45

InGaAs

ϕ1

2.3

0.6

K1713-09

Si

2.4 × 2.4

0.32 to 1.7

0.94

0.45

InGaAs

ϕ1

1.55

0.55

K11908-010K

InGaAs

2.4 × 2.4

0.9 to 2.55

1.55

0.95

InGaAs

ϕ1

2.1

1

K3413-05

One-stage
TE-cooled (Tchip=-10 °C)

Si

2.4 × 2.4

0.32 to 1.67

0.94

0.45

TO- 8

InGaAs

ϕ0.5

1.55

0.55

K3413-08

Si

2.4 × 2.4

0.32 to 2.57

0.94

0.45

InGaAs

ϕ1

2.3

0.6

K3413-09

Si

2.4 × 2.4

0.32 to 1.67

0.94

0.45

InGaAs

ϕ1

1.55

0.55

K12728-010K

Non-cooled

Si

2.4 × 2.4

0.32 to 1.65

0.96

0.45

Ceramic

InGaAs

ϕ1

1.55

0.55

K12729-010K

InGaAs

2.4 × 2.4

0.9 to 2.55

1.55

0.95

InGaAs

ϕ1

2.1

1

 

Spectral response

K1713-003

[ Si photodiode ]

 

[ InAsSb photovoltaic detector ]

 

 

K1713-05/-08/-09

[ Si photodiode ]

 

[ InGaAs PIN photodiode ]

 

 

 

K3413-05/-08/-09

[ Si photodiode ]

 

[ InGaAs PIN photodiode ]

 

 

 

K11908-010K, K12729-010K

 

K12728-010K

 

 

 

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