Using the Optical Spectrum Analyzer

Front-Panel Keys

Places the optical spectrum analyzer under local control. Enables the front panel keys after the instrument has been under control with an external computer via HP-IB.

Sets the optical spectrum analyzer to a known state.

Function

Preset

Function

Preset

Value

Value

 

 

 

 

 

 

Start wavelength

600 nm

Stop wavelength

1700 nm

 

 

 

 

Wavelength offset

0

Wavelength step size

Auto

 

 

 

 

Resolution bandwidth

Auto

Resolution bandwidth to

0.01

 

 

span ratio

 

 

 

 

 

Wavelength units

nm

Medium

Vacuum

 

 

 

 

Wavelength limit

On

Grating order

Auto

 

 

 

 

Power reference level

0 dBm

Power reference level

9

 

 

position

 

 

 

 

 

Power scale

10 dB/div

Ratio reference level

0 dB

 

 

 

 

Ratio reference level position

5

Ratio scale

10 dB/div

 

 

 

 

Amplitude units

Auto

Ratio unitsa

Auto

Sensitivity

Auto

Video bandwidth

Auto

 

 

 

 

Auto range

On

Trans-Z lock

Off

 

 

 

 

Repetitive sweep

On

Sweep time

Auto

 

 

 

 

Auto chop

Off

Gated sweep

Off

 

 

 

 

Trigger mode

Normal

ADC trigger delay

10 ∝ s

 

 

 

 

ADC sync out

Off

Sweep limit

Off

 

 

 

 

Trace length

1001

Current source pulse width

100 ∝ s

 

 

 

 

Current source duty cycle

100%

Auto zero

On

 

 

 

 

User wavelength calibration

Enabled

User power calibration

Enabled

 

 

 

 

Graticule

On

Annotation

On

 

 

 

 

Current marker

MKR 1

Normal marker interpolation

Off

 

 

 

 

Bandwidth marker interpolation

On

Normal marker units

nm

 

 

 

 

Bandwidth marker units

nm

Peak search threshold

–90 dBm

 

 

 

 

Threshold enable

Off

Peak search excursion

3 dB

 

 

 

 

Pit search excursion

3 dB

Peak search on end-of-sweep

Off

 

 

 

 

Marker search limit

Off

Line markers

Off

 

 

 

 

Marker noise normalization

1 nm

 

 

bandwidth

 

 

 

 

 

 

 

Marker 1–4

Off

Marker 1–4 bandwidth

Off

 

 

 

 

3-5