Specifications（25℃）

Symbol

Unit

K81D15F-

2.00W

K81D15F-

4.00W

K81D15F-

5.00W

K81D15F-

8.00W

CW-output power

Po

W

2

4

5

8

Center wavelength

lc

nm

808

Tolerance of l

-

nm

±3,±10

Spectral width (FWHM)

△l

nm

<3

Temperature drift of l

-

nm/℃

~0.3

Fiber data(1)

Fiber core diameter

Wc

µm

105, 200

105, 200

105, 200

200, 400

Numerical aperture

NA

-

0.22

Fiber connector

-

-

FC, ST, SMA-905

Electrical data

Operation current

Iop

A

2.5

5.3

6.5

10.0

Threshold current

Ith

A

0.4

0.6

0.6

1.5

Conversion efficiency

η

%

35~45

Slope efficiency

ηD

W/A

0.8~0.9

Operation voltage

Vop

V

    1.85                          1.6

2.10

2.25

2.18

Reverse voltage

Vre

V

2

Current

Imo

mA

0.2~2.0

TEC data

Max. current

It

A

4.0