光学分辨率

avaspec-2048光谱仪的分辨率表(FWHM，nm)

狭缝宽度 (μm)

光栅 (线对数/mm)

10

25

50

100

200

500

300

0.8

1.4

2.4

4.3

8.0

20.0

600

0.4

0.7

1.2

2.1

4.1

10.0

1200

0.1-0.2*

0.2-0.3*

0.4-0.6*

0.7-1.0*

1.4-2.0*

3.3-4.8*

1800

0.07-0.12*

0.12-0.21*

0.2-0.36*

0.4-0.7*

0.7-1.4*

1.7-3.3*

2400

0.05-0.09*

0.08-0.15*

0.14-0.25*

0.3-0.5*

0.5-0.9*

1.2-2.2*

3600

0.04-0.06*

0.07-0.10*

0.11-0.16*

0.2-0.3*

0.4-0.6*

0.9-1.4*

 

 

 

 

 

 * depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and the better the resolution

光学分辨率

Last Updated: 22-12-05