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FASTLITE DAZZLER - User Manual

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DAZZLER
TM
system manual Part I : installation & operation
V3.00 - 8
th
April 2019 i i/94

Table of Contents

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FASTLITE DAZZLER Specifications

General IconGeneral
BrandFASTLITE
ModelDAZZLER
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction

System Components

Overview of the main parts of the DAZZLER system.

Crystal Unit

The active component that shapes optical pulses via acousto-optic interaction.

RF Generator

Electronic unit converting digital signals to high-power RF for the crystal.

Laptop Computer and Software

Manages system operations, including spectrum generation and waveform control.

Physics

AOPDF Principle

Explains the acousto-optic interaction and pulse shaping mechanism.

Phase-Matching Conditions

Conditions for interaction between optical and acoustic waves.

Poynting Vectors

Discusses collinearity of Poynting vectors for interaction efficiency.

Pulse-Shaping Mechanism

Details the time convolution approach for understanding pulse shaping.

Key Parameters

Important parameters describing the acousto-optic interaction.

Diffraction Efficiency

Formula for output optical intensity based on input and efficiency.

Maximal Pulse Shaping Capability

Defines maximal group delay variation achievable.

Crystal Dispersion Compensation

How crystal dispersion is compensated by programming acoustic waves.

Installation & Setup

Connections

Steps for connecting the system components and initial checks.

Connecting the Unit and Starting the Software

Detailed procedure for physical connections and software launch.

Launching a Waveform

Procedure to load and launch the programmed waveform.

Examples of Experimental Setup

Illustrates typical experimental configurations using the Dazzler.

Ultrafast CPA Laser Controlled by a Dazzler

Example setup for controlling an ultrafast CPA laser.

Optical Alignment

Procedures for aligning the Dazzler crystal and beams.

Frequency Calibration

Calibrating the Dazzler for accurate pulse shaping.

Triggering

Triggering Issues in the Dazzler

Common issues and solutions related to the trigger signal.

Optimum Trigger Settings

Adjusting timings for accurate synchronization of acoustic and optical waves.

The Trig&Mode Panel

Interface for setting trigger parameters like Tp, TXtal, etc.

Trigger to Laser Adjustment Procedure

Step-by-step guide to adjust the Trigger to Laser value.

Modes of Operation

Different operational modes of the Dazzler system.

Normal Mode

Standard mode where trigger signal synchronizes with optical pulse.

High Repetition Rate

Mode for higher optical pulse rates, with potential trade-offs.

Software & Operation

Front Panel

Detailed description of the Dazzler GUI software front panel.

Blue Area: Power, Constant Gain, Zero, Load Wave in Memory

Controls for power, gain, zeroing, and loading waveforms.

Orange Area: Spectral Amplitude Control

Controls for setting the spectral amplitude via dials or files.

Green Area: Spectral Phase Control

Controls for setting the spectral phase via dials or files.

Damage Prevention

System safeguards against excessive power and potential damage.

Menu Bar

Functions accessible via the software menu bar.

Monitor Menu

Access to system information, diagnostics, and maintenance.

Monitor Configuration

Displays system info for remote diagnostics and support.

Files, Paths and File Formats

Description of files used by the Dazzler program and their locations.

Default Directory

Specifies the default directory structure for program files.

Alarms Operation

How the Dazzler system handles and indicates alarms.

Alarms Description

Specific descriptions of available alarms like fan speed and temperature.

Warnings

Conditions that trigger warnings, not indicating damage but incorrect operation.

Missed Triggers due to Timing

Warning for triggers ignored due to timing issues.

Troubleshooting

Guidance for resolving common issues and problems.

Screen Captures

Guidelines for providing screenshots for troubleshooting.

Remote Control

Remote Control Generalities

Introduction to remote control capabilities and methods.

Client-Server Models

How the Dazzler program functions as a server for remote control.

Basic Text Remote Control

Control via text files, acting as a spooler for commands.

Requests

Format and placement of text files for remote requests.

Star Commands

Special commands for controlling GUI elements not in wave files.

Dazzler Network Remote Toolkit

A faster, network-based remote control protocol using LabVIEW.

Scope and Principle

Overview of the network protocol and its advantages.

Cabling Tips

Basic Principles

General advice on cable layout to minimize interference.

Ground Plane, Layout & Crossings

Techniques for creating a good RF ground plane and managing cable crossings.

Termination of Signals

Proper termination of high-speed logic signals to avoid reflections.

USB Cable

Recommendations for using USB cables to ensure reliable communication.

Practical Examples

Visual examples of proper cabling and grounding practices.

RF Generator Description

Overview

General description of the RF generator's function and components.

Indicators

Description of the LED indicators on the RF generator front panel.

Power Indicator

Monitors the 5V internal power supply status.

L1 Indicator

Shows the status of the microprocessor.

L2 Indicator

Signals alarm conditions, blinking rapidly when an alarm is detected.

Input Signals

Description of the TRIGGER, AUX, and ExtClock input signals.

Input Signal TRIGGER

Essential signal for starting RF cycles and synchronization.

Output Signal RF Out

Provides RF power to the crystal module, with output specifications.

RF Cycles Description

Explanation of different RF cycle modes and their characteristics.

Single Cycles

Normal mode where RF cycle is started by an external TRIGGER.

Output Signals S1-S4

Defines signals available on the output BNC connectors.

Output Signal List

List of signals available for RF board V5.x.

Descriptions of Selectable Signals

Detailed explanations of various selectable output signals.

Specifications

Technical specifications for different Dazzler models.