Language Reference

DFB

DFB

 

Start the DFB laser characterization measurement DLP.

 

Parameters require one underscore and one space.

 

 

Item

 

 

 

Description

DFB

 

?

Queries the DLP and

returns:

 

 

 

 

peak

wavelength

 

 

 

 

 

wavelength

o￿set

 

 

 

 

 

stop band

 

 

 

 

 

 

center

o￿set

 

 

 

 

 

SMSR

(side

mode

suppression

ratio)

 

 

 

peak

amplitude

 

 

 

 

 

bandwidth

 

 

 

 

 

 

bandwidth

amplitude

 

DFB

 

B

Turns on

or o￿ the view of the

stop-band peaks.

 

DFB

 

C

Turn on or o￿ the view of the SMSR peaks.

DFB

 

O

Turn on or o￿ the calculations.

 

 

 

DFB

 

Q

Exit the measurement DLP .

 

 

 

DFB

 

Z

Performs the measurement system optimization function, increasing

 

 

 

 

instrument sensitivity to ensure the side-modes are properly located and

 

 

 

displa yed.

 

 

 

 

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