美国Vixar 原子钟专用VCSEL激光器(795nm, 850nm, 894n

Maximum DC current (CW)

mA

--

--

2

To remain single-mode

Threshold current

Ith

mA

0.6

0.75

0.9

Operating voltage

Vf

Volts

--

2.1

3

Series resistance (VCSEL)

Rs

Ohms

150

175

300

Slope efficiency

SE

mW/mA

--

0.12

--

Optical output power

Lop

mW

0.06

0.1

0.17

In single mode. T=85°C

Optical output power

Lop

mW

0.1

--

0.25

In single mode. T=25°C

Optical output power

Lop

mW

0.04

0.08

0.16

In single mode. T=95°C

Reverse breakdown voltage

V

10

--

--

Ir ≤ 1nA

Operating wavelength

λop

nm

794.5

795

795.5

Side Mode Suppression Ratio

SMSR

dB

20

--

--

Unmodulated.

Spectral line width

Δλ

MHz

--

--

100

Unmodulated.

Polarization extinction ratio

PER

dB

16

--

--

0.25mA < If < 2mA (Note 4)

Beam divergence 1/e2

deg

--

15

--

Whole angle

Beam divergence FWHM

FWHM

deg

--

9

--

Whole angle

Wavelength current coefficient

nm/mA

--

0.42

0.6

Wavelength temp. coefficient

nm/°C

--

0.055

0.061

Rise time

ps

--

--

100

20%-80%

Fall time

ps

--

--

100

20%-80%

Modulation bandwidth (-3 dB)

BW

GHz

4

--

--

ESD Survival

V

1000

--

--

(Notes 3, 5)