TEM Aligna 4D - 7 Input CrossLink Matrix (ICL); 8 Output CrossLink Matrix (OCL)

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Aligna

4D User Manual

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7 Input CrossLink Matrix (ICL)

((Chapter and pictures on input orthogonalization, in preparation, see also chapter on "Learn-

ing OLCM" (Output CrossLink Matrix for Motors)))

8 Output CrossLink Matrix (OCL)

((Chapter and pictures on output orthogonalization, in preparation, see also chapter on "Learn-

ing OLCM" (Output CrossLink Matrix for Motors)))

Main Page

Table of Contents3
Introduction7
Block Diagram Aligna 4D10
Short Description of the Front Panel Elements11
Principles of Laser Pointing Stabilization12
Reasons of Pointing Instabilities12
Thermal Properties of the Laser Itself12
Thermal Movement by the Laser Cooling System12
Drifts of Alignment and Folding Mirrors12
Air Turbulences and Temperature Gradients in the Air12
Thermal Effects of Optical Elements13
Mechanically Moved Optical Elements (Delay Lines, E.g.)13
Movement of the Experimental (Optical) Tables or Vacuum Chambers13
Or 4D Stabilization14
Positioning of Actuator and Detectors17
Setup 1: Two Beam Samplers17
Setup 2: Second Mirror Acts as Beam Sampler17
Problems with Beam Sampler Plates17
Setup 3: High Reflecting Mirror Acts as Beam Sampler18
Setup 4: Only One Beam Sampler Mirror19
Setup 5: Compact 4D Sensor "PSD 4D19
Setup 6: "PSD 4D" with Beam Sampler Wedge Plate19
Distance between A1 and A220
Position of the Detector(S)20
Some Typical Configurations25
System (Angle Stabilization)25
System (Long Path)25
System26
System with Long Beam Path26
Auto-Alignment and 2D Stabilization27
Auto-Alignment and 4D Stabilization28
Overlaying Two or more Laser Beams Independently28
Overlaying Two Laser Beams, Commonly Stabilized Path29
Overlaying Three Laser Beams with Commonly Stabilized Path30
Comparison of some Setups31
Pulsed Lasers32
Repetition Rate Categories32
CW Lasers32
CW Lasers with Intensity Modulation (5 Khz to 200 Khz)33
Pulsed Lasers with Slow Repetition Rates (1 Hz33
Pulsed Lasers with Medium Repetition Rates (3 Khz33
Pulsed Lasers with High Repetition Rates (>15 Khz34
Input Crosslink Matrix (ICL)35
Output Crosslink Matrix (OCL)35
Setting up an Aligna36
Test System36
Cable Connections38
Setting up the Aligna System by Help of Kangoo41
Some Basic Kangoo Features41
Installation of Kangoo41
Buttons and Devices41
Sections42
Hotkeys42
Further Kangoo Functions43
Main Aligna Configurations44
Configuration "Aligna User Menu" ("BL Menu")44
Configuration "Beamlock Basic45
Some Common Sections47
PSD Input Section47
PSD Input Section48
Physical Units" Section51
Calibration" Section51
3D Beam" Section52
3D Beam" Section53
Thresholds" Section53
Hidden Parameters" Section54
OCLM" (Motors Output Crosslink Matrix) Section55
Alignment of the "OCLM" Matrix (Output Crosslink Matrix of Motorized Actuators)57
Alignment of the Piezo OCL Matrix OCLP (Piezo's Output Crosslink Matrix)65
Storing and Recall of the Individual Parameters68
Recall of the (User-Specific) Default Parameters68
Storing the Actually Defined Parameters as Default Parameters (into the ΜC's Flasheeprom)68
Defining the Hardware-Specific Parameters69
Configuration "Beam Alignment Scope72
Safety Instructions73
Delivery Content74
Delivery Content Aligna74
Delivery Content PSD 2D74
Delivery Content PSD 4D E74
Delivery Content PSD 4D I74
Delivery Content Beamscan Oneinch74
Delivery Content Motorized Mirror Mounts (Mmms)75
Technical Data76
Environmental Conditions76
Aligna ® 4D Module Rack Case Properties76
Detector Properties PSD 2D (Detector A, or Detector B)77
Detector Properties PSD 4D I77
Actuator Properties Beamscan 2D One Inch77
Aligna 60 Motorized Mirror Mount78
Aligna 40 Motorized Mirror Mount78
Used Mirrors79
Connectors and Cables80
Mains Power Cable80
Connection of the Detectors and Actuators80
Customer Service84

TEM Aligna 4D - 7 Input CrossLink Matrix (ICL); 8 Output CrossLink Matrix (OCL)

Table of Contents