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1936-R series
Newport 1936-R series User Manual
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Single and Dual-Channel Optical Meters
User’s Manual
Model 1936-R/2936-R Series
2
Table of Contents
Default Chapter
3
EU Declaration of Conformity
3
Warranty
5
Technical Support Contacts
7
Table of Contents
9
List of Figures
16
List of Tables
17
1 Safety Precautions
19
Definitions and Symbols
19
General Warning or Caution
19
Electric Shock
19
Protective Conductor Terminal
19
Figure 1 General Warning or Caution Symbol
19
Figure 2 Electrical Shock Symbol
19
Figure 3 Protective Conductor Terminal Symbol
19
European Union CE Mark
20
Alternating Voltage Symbol
20
Off
20
Figure 4 CE Mark
20
Figure 5 Alternating Voltage Symbol
20
Figure 6 on Symbol
20
Figure 7 off Symbol
20
Fuses
21
Frame or Chassis
21
USB Connector Symbol
21
Waste Electrical and Electronic Equipment (WEEE)
21
Figure 8 Fuse Symbol
21
Figure 9 Frame or Chassis Terminal Symbol
21
Figure 10 USB Connector Symbol
21
Figure 11 WEEE Directive Symbol
21
Control of Hazardous Substances
22
Warnings and Cautions
22
General Warnings
22
Figure 12 Rohs Compliant Symbol
22
General Cautions
24
Figure 13 AC Receptacle Warning Label
24
Location of Warnings
25
Rear Panel
25
Figure 14 Locations of Warnings on the Rear Panel
25
2 General Information
26
Introduction
26
Optical Meter Functionality
27
Model 1936-R
27
Model 2936-R
27
Calibration
27
Specifications
27
Physical Specifications
27
Electrical Specifications
28
Unpacking and Handling
30
Inspection for Damage
30
Available Options and Accessories
31
Parts List
31
Choosing and Preparing a Suitable Work Surface
31
Electrical Requirements
31
Power Supplies
32
3 System Overview
34
Startup Procedure
34
Front Panel Layout
34
Figure 15 Front Panel Layout
34
Front Panel Elements
35
Understanding the Main Screen
35
Rear Panel Layout
35
Elements that Vary by Model (on Back Panel)
35
Panel Layout
36
Figure 16 1936-R Rear Panel Layout
36
Figure 17 2936-R Rear Panel Layout
37
Changing Voltage Settings
38
Rack Mounting the 1936/2936 Series
39
Figure 18 PM1 -RACK Mounting Kit
39
Figure 19 PM2 -RACK Mounting Kit
40
Figure 20 Mounting Details for the PM1 -RACK Mounting Kit
41
4 System Operation
42
Front Panel Keys
42
Power Switch
42
Figure 21 Front Panel Keys
42
Figure 22 Power Switch
42
Setup/Enter Key
43
Figure 23 Navigation/Selection and Setup/Enter Keys
43
Figure 24 Main Screen
43
Esc Key
44
Navigation and Selection Keys
44
Channel Swapping
44
Figure 25 Measurement Settings Screen
44
Figure 26 Channel a Primary
44
Figure 27 Channel B Primary
44
Navigation
45
Soft Keys
45
Dedicated Keys
45
Figure 28 Soft Keys
45
Figure 29 Dedicated Keys
45
Figure 30 Manual Range Mode
46
Figure 31 Auto Range Mode
46
Figure 32 this Screen Is Displayed after Pressing the Config Soft Key
46
Range
46
Figure 33 Mode Selection Screen
47
Figure 34 Measurement Is on Hold
47
Figure 35 Filter Selection Screen
47
Filter
47
Hold
47
Mode
47
Figure 36 Filter Configuration Screen
48
Figure 37 Digital Filter Editing
48
Figure 38 Wavelengths Screen
48
Lambda (Λ) Key
48
Set Zero Offset (Zero Key)
49
Measurement Settings
49
Changing the Measurement Settings
49
Wavelength Selection
49
Range Selection and Range Type (Rng. Type)
49
Figure 39 Zero Selection
49
Figure 40 Measurement Settings Screen
49
Attenuator On/Off
50
Analog and Digital Filter Selection
50
Units Selection
50
Mode Selection
51
Spot Size
51
Number of Digits Setting
51
Offset Field
51
Detector Information
51
Trigger Setup
52
Trigger Delay
52
Trigger Start
52
Figure 41 Accessing the Trigger Setup Screen
52
Figure 42 Trigger Delay Waveforms
52
Trigger Stop
53
Wavelength Setting
53
Display Color
54
Figure 43 Predefined Color Schemes
54
Figure 44 Setup Screen
54
Figure 45 System Settings Screen
54
USB Address and RS232 Parameters
55
Statistics
55
Figure 46 about Screen
55
Figure 47 Statistics Screen
55
Figure 48 Graph Screen
56
Graph
56
Math Functions
57
Figure 49 Math Field
57
Figure 50 Math Configuration Screen
57
Measurement Correction Settings
58
Figure 51 Measurement Settings
58
Figure 52 Correction Settings
58
Display Modes
59
Numeric Display
59
Analog Bar
59
Figure 53 Mode Selection Screen
59
Figure 54 the Numeric Display
59
Figure 55 Analog Bar
59
Figure 56 Auto Zoom
60
Analog Needle
61
Vertical Chart
61
Figure 57 Analog Needle Display
61
Figure 58 Vertical Chart with 3 Measurements Per Line
61
Figure 59 Vertical Chart with 1 Measurement Per Line
61
Firmware Upgrade Procedure
62
5 Performing Basic Measurements
64
Introduction
64
Measurement Modes and Units
64
CW Measurements ( with 918D or 818P Detectors )
65
Table 1 Available Measurement Modes and Valid Units
65
Peak-To-Peak Power Measurements (918D Detectors)
66
Power Ratio and Power Reference Measurements
66
Pulse Energy Measurements (818E Detectors)
67
Signal Integration Measurements (918D or 818P Detectors)
68
Measuring Laser Pulse Energy with an 818P Thermopile Detector (Single Shot)
68
Figure 60 Measuring Laser Pulse Energy Via a Thermopile in CW Integrate Mode
69
Frequency Measurements (918D or 818E Detectors)
70
RMS Measurements
71
6 Software Application
72
Overview
72
Connection
72
Figure 61 Application Front Panel
72
General Usage
73
Menu Structure
73
Figure 62 Application Advanced Options (Configuration Tab)
73
7 Computer Interfacing
75
General Guidelines
75
Computer Interface Terminology
75
Delimiting Punctuation
75
CR> Carriage Return
75
LF> Line Feed
75
Semicolons
75
Number> Numerical Types
76
String> String Types
76
Command Termination
76
Response Termination
76
RS-232C Communication
76
Setting Echo Mode from the Keypad
77
Setting Echo Mode Via Remote Interface
77
Setting the USB Address
77
USB Communication
77
Figure 63 RS-232 9 Pin to 9-Pin Cable Connections. Cable Terminators (RS-232)
77
8 Communication Command Reference
79
Model 1936/2936 Series Remote Interface Commands
79
Command Overview
79
Activate a Specific Channel
80
Command Description
80
Command Glossary
80
Table 2 Root Level Commands/Queries Summary
80
Display Commands
82
Disp:bright
82
Table 3 Tree Level Commands/Queries Summary
82
Disp:bright
83
Power Meter Commands
83
Idn
83
Rcl
83
Sav
84
Address
84
Address
85
Beep
85
Echo
85
Echo
86
Errors
86
Errstr
86
Pm:analogfilter
87
Pm:analog:imp
87
Pm:analog:imp
88
Pm:analog:out
88
Pm:att
89
Pm:attsn
89
Pm:auto
89
Pm:auto
90
Pm:caldate
90
Pm:caltemp
90
Pm:channel
91
Pm:corr
91
Pm:corr
92
Pm:detmodel
92
Pm:detsize
92
Pm:detsn
92
Pm:digitalfilter
93
Pm:dpower
93
Pm:ds:buffer
94
Pm:ds:clear
94
PM:DS: Count
94
Pm:ds:enable
95
Pm:ds:get
95
Pm:ds:interval
96
Pm:ds:savebuffer
96
Pm:ds:size
97
Pm:ds:units
97
Pm:filter
98
Pm:frequency
98
Pm:lambda
99
Pm:max:lambda
99
Pm:max:power
100
Pm:min:lambda
100
Pm:min:power
100
Pm:meas:timeout
100
Pm:meas:timeout
101
Pm:mode
101
Pm:mode
102
Pm:power
102
Pm:pws
102
Pm:range
103
Pm:ref:value
103
Pm:ref:value
104
Pm:ref:store
104
Pm:responsivity
104
Pm:run
105
Pm:satlevel
105
Pm:spotsize
106
Pm:stat:max
106
Pm:stat:mean
107
Pm:stat:min
107
Pm:stat:maxmin
107
Pm:stat:sdeviation
107
Pm:temp
108
Pm:temppoll
108
Pm:therm:predict
108
Pm:therm:predict
109
Pm:trig:external
109
Pm:trig:edge
110
Pm:trig:holdoff
110
Pm:trig:holdoff
111
Pm:trig:start
111
Pm:trig:stop
112
Pm:trig:state
112
Pm:trig:state
113
Pm:trig:value
113
Pm:trig:time
114
Pm:units
114
Pm:units
115
Pm:zerostore
115
Pm:zerovalue
115
9 Principles of Operation
117
Introduction
117
Analog Signal Flow
117
Figure 64 Model 1936/2936 Series Analog Signal Flow Diagram
117
Digitized Signal Flow
118
Table 4 Analog Signal Flow Paths
118
Typical Detector Signals
119
Thermopile Detector Signals
120
Pulse Energy Detector Signals
120
Figure 65 Thermopile Signals Exhibit 1 to 10 Second Time Constants
120
Peak-To-Peak (Photodiode) Detector Signals
121
Figure 66 Typical Newport Energy Detector Signal Waveform
121
Figure 67 Negative Baseline Voltage
121
Integration of Detector Signals
122
Figure 68 Time Varying Signal Measurements
122
Figure 69 Integrated Energy Via a Trapezoid Approximation
122
Analog Output
123
Figure 70 Measuring Laser Pulse Energy with a Thermopile
123
Table 5 Analog Output Range Table
123
Measurement Considerations
124
Detector Calibration and Accuracy
124
Quantum Detector Temperature Effects
124
Thermopile Detector Temperature Effects
125
Energy Detector Temperature Effects
126
Ambient and Stray Light
126
Signal Filtering
127
Common Measurement Errors
128
Table 6 Common Measurement Errors
128
10 Maintenance and Service
130
Enclosure Cleaning
130
Fuse Replacement
130
Figure 71 Fuse Replacement
130
Obtaining Service
131
Service Form
132
11 Appendix A - Syntax and Definitions
134
Definition of <String
134
Definition of <Number
135
12 Appendix B - Error Messages
138
Introduction
138
Command Errors
138
Execution Errors
139
Device Errors
140
13 Appendix C - Legacy Commands Reference
142
Table 7 Legacy Commands Reference
143
14 Appendix D - Sample Programs
144
Programming Samples
144
Labview
144
Microsoft® Visual Basic
144
Microsoft Visual C
144
Microsoft .NET
144
15 Appendix E - Disassembly Instructions
146
Disassembly Instructions
146
Figure 72 Disassembled 1936/2936 Model
147
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Newport 1936-R series Specifications
General
Brand
Newport
Model
1936-R series
Category
Measuring Instruments
Language
English
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