Newport 1919-R, User Manual

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1919-R User Manual 2
4 Points to Consider ........................................................................................................ 30
5 Thermopile Sensors ...................................................................................................... 31
5.1 Operation of 1919-R with Thermopile Absorber Sensors ........................................... 32
5.2 Measuring Laser Power with Thermopile Sensors ...................................................... 32
5.3 Measuring Laser Energy with Thermopile Sensors ..................................................... 33
5.3.1 Measuring Pulses of Very Low Energy ............................................................. 34
5.3.2 Measuring Energy of Rapidly Repeating Pulses ............................................... 35
5.4 Measuring Laser Pulsed Power with Thermopile Sensors .......................................... 35
5.4.1 Pulsed Power Limitations ................................................................................ 36
5.5 Supported Models ....................................................................................................... 36
6 Photodiode Sensors...................................................................................................... 37
6.1 Operation of 1919-R with Photodiode Sensors ........................................................... 38
6.2 Measuring Laser Power with Photodiode Sensors ...................................................... 38
6.3 Averaging and Measuring Very Low Power Measurements ....................................... 40
6.4 Measuring Total Exposure ........................................................................................... 40
6.4.1 Exposure Limitations ....................................................................................... 41
7 Pyroelectric and Photodiode Energy Sensors ................................................................. 42
7.1 Pyroelectric Sensors – Method of Operation .............................................................. 42
7.2 Photodiode Energy Sensors – Method of Operation .................................................. 42
7.3 Measuring Pulses of High Energy Density ................................................................... 43
7.4 Operation of 1919-R with Pyroelectric and Photodiode Energy Sensors.................... 43
7.4.1 Zeroing the Energy Sensor Against the 1919-R Meter .................................... 44
7.4.2 Setting Measurement Parameters When Using Energy Sensors .................... 44
7.4.3 Energy, Average Power, or Exposure Measurement ....................................... 46
7.4.4 Measuring Laser Energy................................................................................... 46
7.4.5 Measuring Average Power............................................................................... 47
7.4.6 Measuring Total Energy Exposure ................................................................... 47
8 Graphical Displays ........................................................................................................ 49
8.1 Display Settings............................................................................................................ 50
8.2 Bargraph ...................................................................................................................... 51
8.2.1 Modes .............................................................................................................. 51
8.2.2 Zoom ................................................................................................................ 52
8.2.3 Offset ............................................................................................................... 52
8.2.4 Measuring Loss Using the dB Offset Function ................................................. 53
8.2.5 Bargraph Style .................................................................................................. 54
8.3 Analog Needle ............................................................................................................. 56
8.3.1 Modes .............................................................................................................. 57
8.3.2 Persist .............................................................................................................. 57
8.4 Line Graph ................................................................................................................... 58
8.4.1 Modes .............................................................................................................. 58
8.4.2 Percentage Range (Y-Axis Scale) ...................................................................... 59
8.4.3 Horizontal Sweep Time (X-Axis Scale) ............................................................. 59
8.4.4 Reset ................................................................................................................ 60
8.5 Statistics ....................................................................................................................... 60
8.5.1 Modes .............................................................................................................. 61