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LDX-3232 manual
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Contents
Main
Page
TABLE OF CONTENTS
Chapter 1 Introduction and Specifications
Chapter 2 Operation
Chapter 3 Remote Operation
Chapter 4 Command Reference
Chapter 5 Functions and Features
Chapter 6 Calibration and Troubleshooting
Page
LIST OF FIGURES
Page
LIST OF TABLES
Page
SAFETY AND WARRANTY INFORMATION
Safety Information and the Manual
WARNING
General Safety Considerations
SAFETY SYMBOLS
Safety Marking Symbols
W
Limitations
Returning an Instrument
Claims for Shipping Damage
Comments, Suggestions, and Problems
Page
INTRODUCTION AND SPECIFICATIONS
Product Overview
Initial Inspection
Installing Your LDX-3232 High Compliance Current Source
Grounding Requirements
AC Line Power Requirements
GPIB Connector
The GPIB Address
Tilt-Foot Adjustment
Operating the LDX-3232 Precision Current Source
4
Figure 1.1 LDX-3232 Front View
Figure 1.2 LDX-3232 Rear View
Maintenance
Specifications
Page
Available Options and Accessories
O
Applying Power to Your LDX-3232
The Power On Sequence
The Power On State
Connecting to the Laser
OPERATION Connecting to the Laser
04_06 LDX-3232 11
CHAPTER 2
Figure 2.3 Common Laser Anode - Photodiode Cathode
Figure 2.1 Common Laser Cathode - Photodiode Cathode
Figure 2.2 Common Laser Cathode - Photodiode Anode
+ -
+ -
Interlock Connections
+ -
4 Cathod e Voltage Sen se 9 Laser Anode
Photodiode Connections
Setting the PD Bias
Grounding Considerations
Front Panel Operation
The Display
Operating a Laser in Constant Current (I) Mode
Setting Up the Precision Current Source
Page
Conditions That Will Automatically Shut Off the LASER OUTPUT
Operating a Laser in Constant Power (P) Mode
Entering Photodiode Responsivity Values
Page
Error Indicators
Page
REMOTE OPERATION
Reading the GPIB Address
Changing the GPIB Address
Changing Operation from Local to Remote
LDX-3232 Current Source Command Set
Command Syntax
Page
Page
REMOTE OPERATION Command Paths
04_06 LDX-3232 25
CHAPTER 3
Command Paths
Figure 3.1 LDX-3232 Command Path Structure
IEEE488.2 Command Commands
LDX-3232 Frequently Used Commands
Table 3.2 LDX-3232 Often Used Commands
Status Reporting
Event and Condition Registers
Operation Complete Definition
REMOTE OPERATION Status Reporting
04_06 LDX-3232 29
{ {
AS : ENABle
LAS : ENABle : C OND
ASER Condition Status Enabl
LASER Con di tion Status Regi ster
Output Off Register
r
&&&&&&&&&&&
Command Timing and Completion
Error Messages
(up to 10 may be stored). Reading the error queue via GPIB clears the error queue.
Table 3.4 Error Code Classifications
Table 3.5 LDX-3232 Series Error Codes
Page
COMMAND REFERENCE
Page
Page
Page
LDX-3232 Device-Dependent Commands
Figure 4.1 Command Description Format
LDX-3232 Device-Dependent Command Reference
DELAY
ERRors?
LASer:CALMD
LAS
::
<white space> <nrf value>
LASer:CALMD?
:
LAS:CAL:CONST?
:?
LASer:CAL:LDI
:LAS : :
LASer:CAL:LDI?
LASer:CAL:LDV
: LAS :
I
LDI
LASer:CAL:LDV?
LASer:CAL:MDI
: LAS :
:LAS : :
LASer:CAL:MDI?
LASer:COND?
:LAS :COND ?
: LAS :
IPD
LASer:DEC
: LAS :
LASer:DISplay
LASer:DISplay?
::
: :?
LASer:DISplay:LDI
LASer:DISplay:LDI?
LDI
I
:LAS : :
LASer:DISplay:LDV
LASer:DISplay:LDV?
LDV
V
:LAS : :
LASer:DISplay:MDI
LASer:DISplay:MDI?
MDI
IPD
:LAS : :
LASer:DISplay:MDP
LASer:DISplay:MDP?
MDP
PPD
:LAS : :
LASer:DISplay:PARAM
LASer:DISplay:SET
:LAS : :
:LAS : :
LASer:DISplay:SET?
LASer:ENABle:COND
: ENAB :
: LAS :
:
LASer:ENABle:COND?
: LAS :
LASer:ENABle:EVEnt
:
:ENAB :EVE
LASer:ENABle:EVEnt?
: LAS :
LASer:ENABle:OUTOFF
: ENAB :
LASer:ENABle:OUTOFF?
: LAS :
LASer:EVEnt?
: :?
LASer:INC
: LAS :
LASer:LDI
LASer:LDI?
:
<white space> <nrf value>
::
LASer:LDV
LASer:LDV?
:LAS : LDV ?
::
LASer:LIMit:I2
LASer:LIMit:I2?
: LIM :
: LAS :
LASer:LIMit:I4
LASer:LIMit:I4?
:
: LIM :
LASer:LIMit:MDP
LASer:LIMit:MDP?
MDP
:?
P
LASer:LIMit:V
LASer:LIMit:V?
: LIM :
: LAS : :?
LASer:MDI
LASer:MDI?
:
<white space> <nrf value>
::
LASer:MDLN
LASer:MDLN?
:LAS :MDLN ?
::
LASer:MDP
LASer:MDP?
:
<white space> <nrf value>
::
LASer:MODE?
LASer:MODE:IHBW
:LAS :?
:LAS : :
LASer:MODE:ILBW
LASer:MODE:MDP
:LAS : :
:LAS : :
LASer:OUTput
LASer:OUTput?
::
:LAS :?
LASer:RANge
LASer:RANge?
:LAS : RAN ?
::
LASer:SET:LDI?
LASer:SET:MDI?
: LAS :
: ?
: LAS :
LASer:SET:MDP?
LASer:STEP
: LAS :
: ?
::
LASer:STEP?
LASer:TOLerance
: : ,
TOL
:LAS :?
LASer:TOLerance?
MESsage
:LAS :?
MESsage?
RADix
RADix?
SECURE
TERM
:TERM <white space> <nrf value>
TERM?
TIME?
TIMER?
FUNCTIONS AND FEATURES
Saving and Recalling from the Front Panel
Saving and Recalling Under Remote Operation
Using the Laser Compliance Voltage Adjustment
Using the LDX-3232 Current Sources Trigger Function
Using the LDX-3232 Current Sourcess BNC Interlock Connection
BNC Interlock Usage Example
Modulating the Laser Current Source
Page
Page
CALIBRATION AND TROUBLESHOOTING
Calibration Overview
Recommended Equipment
Local Calibration of the LDX-3232 Current Source
Current Source Calibration
IPD Current Calibration
Page
Laser Forward Voltage Measurement Calibration
Remote Calibration of the LDX-3232 Current Source
Current Source Calibration
IPD Current Calibration
Configure the current source in the following manner for the laser current source calibration:
Laser Forward Voltage Measurement Calibration
Troubleshooting Guide
Page
Error Messages