Newport 6000 - 3.2 Laser Module Theory

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3.5 Power Supplies ____________________________________________________ 34
3.5.1 Module Power Supplies _________________________________________________ 34
3.5.2 Main Supply __________________________________________________________ 35
3.6 Interlock Operation ________________________________________________ 35
3.6.1 Laser Interlock ________________________________________________________ 35
4. Laser Diode Driver Module Operation _____________________________37
4.1 Laser Diode Driver Module__________________________________________ 37
4.1.1 Introduction __________________________________________________________ 37
4.1.2 Installation ___________________________________________________________ 37
4.1.3 Laser Diode Protection Requirements ______________________________________ 38
4.2 Laser Safety Features_______________________________________________ 40
4.2.1 Conditions Which Can Automatically Shut Off the Laser Output. _________________ 40
4.2.2 Key switch Interlock____________________________________________________ 40
4.2.3 Turn On Delay ________________________________________________________ 41
4.3 The Laser Connectors ______________________________________________ 41
4.3.1 Modulation ___________________________________________________________ 42
4.3.2 Photodiode Bias Control_________________________________________________ 42
4.3.3 Photodiode ___________________________________________________________ 42
4.3.4 Interlock _____________________________________________________________ 42
4.4 Connecting to Your Laser ___________________________________________ 42
4.4.1 Laser Diode Connections and Shielding_____________________________________ 43
4.4.2 Photodiode Feedback Connections_________________________________________ 44
4.4.3 Grounding Consideration ________________________________________________ 46
4.5 Laser Module Operation ____________________________________________ 46
4.5.1 Quick Start ___________________________________________________________ 46
4.5.2 Laser Main Screen _____________________________________________________ 46
4.5.3 Laser Setup Screen _____________________________________________________ 47
4.5.3.1 Mode______________________________________________________________ 49
4.5.3.2 Bandwidth__________________________________________________________ 50
4.5.3.3 Modulate (MOPA Modules Only) _______________________________________ 50
4.5.3.4 Io Lim_____________________________________________________________ 50
4.5.3.5 Vcomp ____________________________________________________________ 50
4.5.3.6 Im Lim ____________________________________________________________ 51
4.5.3.7 Po Lim ____________________________________________________________ 51
4.5.3.8 Tol Time and Tol Iop _________________________________________________ 51
4.5.3.9 Intermittent Contact (Int Contact)________________________________________ 51
4.5.3.10 PD Resp _________________________________________________________ 51
4.5.3.11 PD Zero__________________________________________________________ 52
4.5.3.12 The 

 and Soft Keys_____________________________________________ 52
4.5.4 Link Conditions _______________________________________________________ 52
5. Temperature Controller Operation ________________________________53
5.1 Temperature Controller (TEC) Module________________________________ 53