Coherent FieldMaxII-TOP Specifikace stáhnout pdf (Strana 83)

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Accurate

With its self-monitoring algorithms and an internal spectral

line source, the WaveMaster auto-calibrates the internal

spectrometer to maintain accuracy.

Easy Set-Up

Feedback from the WaveMaster is straightforward. Once the

signal is applied to the probe, the unit begins sampling to

simplify set-up. In CW mode, the WaveMaster will auto-range

to adjust the sensor integration time to match the incoming

signal. This allows the quickest set-up and greatest versatility.

Selected Display Units

The wavelength readings can be displayed in nanometers

in “air” at standard temperature and pressure (STP), or

shown as a calculated conversion from STP to nanometers

in a “vacuum”, or displayed as wave numbers (cm

-1

), or as

frequency (GHz).

The WaveMaster measures the wavelength of both CW and

pulsed lasers of any repetition rate. The wavelength can be

displayed in GHz, wave numbers, or nanometers, with vacuum

and air readings available. The WaveMaster will read the

peak wavelength of sources as wide as 2 nm from 380 nm to

1095 nm. Bandwidths wider than 2 nm can be accommodated

at the longer wavelengths.

The WaveMaster is easy to use. Just turn on the readout

and get the beam within 10 degrees of normal incidence

to the sampling probe. The probe has a 2-meter beroptic

cable and takes up a minimum of beam path space. Most

intensity variances are automatically accommodated, but for

the strongest and weakest signals a front panel attenuator

adjustment and intensity readout quickly produce accurate

readings. No special triggering modes or setups are required

for pulse capture.

Laser

Cross-

Reference

Index

POWER

& ENERGY

Power

Sensors

Energy

Sensors

Custom

& OEM

BEAM

DIAGNOSTICS

CALIBRATION

& SERVICE

INDICES

Product

Name

Index

Power

& Energy

Meters

Laser Wavelength Meter

WaveMaster

User-Friendly

The WaveMaster is easy to read with front panel adjustments

of contrast and back-lighting for the extra-large display.

Parameters that have been set-up are clearly displayed, in

addition to signal intensity and pulse-retrieved indicators.

Conguration settings are maintained in memory and

retrieved on start-up for convenience. Communication with

the WaveMaster is also easy with a built-in RS-232 port.

Sophisticated algorithms that monitor the WaveMaster’s

response maintain calibration. Periodically, and upon

indication from the algorithms, the WaveMaster is referenced

to the fundamental lines of an internal NE source.

Pulse or CW Operation

The operational mode can be changed from CW, to CW with

averaging, to pulse. In CW mode the display is updated at

3 Hz. In CW with averaging, the display is updated at 3 Hz

with an average of the last 10 readings taken at 3 Hz. For pulse

mode, when a valid pulse is received the display will show

the wavelength reading of the pulse for 15 seconds, or until

another valid pulse is received.

No Warm-Up Time

When the WaveMaster is rst powered on, it will perform a

self-test cycle and then enter the auto-calibration mode. After

10 seconds, the AUTOCAL message is cleared from the display

and the WaveMaster is ready to make measurements.

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