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MOGlabs CEL - Table of Contents

MOGlabs CEL
58 pages
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Contents
Preface i
Safety iii
Protection Features viii
RoHS Certification of Conformance ix
Extending laser diode & piezo lifetime x
1 Introduction 1
1.1 External cavity . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1.1 Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Piezo-electric frequency control . . . . . . . . . . . . . . . . 3
1.3 Temperature and current . . . . . . . . . . . . . . . . . . . . . 4
2 First light 5
2.1 Standby/Run . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Operation 9
3.1 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Wavelength . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 Mode-hops . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Scanning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Faraday isolator . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5.1 Faraday isolator alignment . . . . . . . . . . . . . . . 13
4 Troubleshooting 17
4.1 Scanning adjustment. . . . . . . . . . . . . . . . . . . . . . . 17
xi

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