OPTILAB DFB-4-B User Manual Download Page 9

DFB-

B Benchtop User’s Manual 

Page 6 of 12 

 

Optilab, LLC

 

600 E. Camelback Road, Phoenix, AZ  85012 
Phone:  (602) 343-1496, Fax:  (602) 343-1489, Email:  [email protected] 

2.  The settings page for each channel screen is shown below: 

 

S

ETTING

 

D

ESCRIPTION

 

DFB

 

C

URRENT

 

This value displays the current set point that is driving the internal 
laser diode, and can be adjusted by pressing the “RIGHT” arrow 
button to select the unit for adjustment, and then pressing the 
“UP” or “DOWN” arrow buttons to increase or decrease this unit 
selection. 
Pressing the “SAVE” button will save this change, otherwise 
pressing the “BACK” will cancel the parameter editing and return 
to the home page. 
NOTE: Changes cannot be made to current unless the laser 
output is enabled. 

S

ET 

TEC

 

T

EMP

 

This value displays the current TEC temperature setting. By 
adjusting the TEC temperature set point, the wavelength can be 
tuned as desired, please refer to the test datasheet for the 
allowable range. 
This feature is adjustable in the same manner as the current 
setting as noted above. 

O

UTPUT 

P

OWER

 

The   current   output   power   from   the   internal   photodiode 
reading  of  the  laser.    Please refer to an external power meter 
reading  for the most accurate  value. 

MAX

 

C

URRENT

 

The maximum  end user  allowable  setting  for the laser  diode 
driving  current. 

T

EMPERATURE

 

Shows the current operating temperature of the selected 
module. 

W

AVELENGTH AND 

SN 

These  fixed values  are a reference  for the internal  RS485 
setting  on each individual  module,  as well as each DFB

’s serial 

number. 

 

3. 

When finished editing the parameters of the individual module, pressing the “BACK” 
button will return to the main screen. 

 

Summary of Contents for DFB-4-B

Page 1: ...fore operating the DFB benchtop unit Operations other than those described in this manual may result in personal injury and damage to the unit Note that any attempt to open or fix the equipment withou...

Page 2: ...13 Address revision 1 5 06 17 16 Housing and interface update 1 6 12 28 16 Housing and interface update 1 7 01 25 19 FW and housing update 1 8 06 11 19 FW and interface update 1 9 06 17 20 FW update...

Page 3: ...VIEW 1 1 3 FEATURES 1 1 4 USER SAFETY 2 2 OPERATION 2 2 1 INTRODUCTION 2 2 2 INITIAL INSPECTION 2 2 3 PANEL DIAGRAMS AND CONTROLS 3 2 4 OPERATION INSTRUCTIONS 5 2 5 PC CONNECTION MODE OPTIONAL 7 3 TRO...

Page 4: ...roviding up to 4 different DFB wavelengths With Optilabs comprehensive inventory of high quality DFB lasers the DFB light source can be ordered from a large variety of wavelengths DFB lasers operating...

Page 5: ...or vaporizing chemical to clean the equipment panel or case It may result in damage to the surface and internal circuits 2 Operation 2 1 Introduction This chapter describes how to operate the DFB 4 B...

Page 6: ...cal settings of the DFB benchtop unit This is a touchscreen type display see section 2 4 for more information OPTICAL OUTPUT PORTS The optical output receptacles for the benchtop unit Up to 4 optical...

Page 7: ...ble this port allows for remote control and monitoring through a PC workstation This feature is not enabled on all units VENTILATION FANS The ventilation fans ensure proper ventilation inside the unit...

Page 8: ...tchcord to minimize losses when connecting the optical output to its destination Special patchcords are designed for wavelengths such as 850nm and 980nm to ensure maximum light coupling Please contact...

Page 9: ...tput is enabled SET TEC TEMP This value displays the current TEC temperature setting By adjusting the TEC temperature set point the wavelength can be tuned as desired please refer to the test datashee...

Page 10: ...software control please refer to the following below for the software connection option 1 Using the USB port on the rear panel connect the DFB 4 B to a PC directly to the USB port with an appropriate...

Page 11: ...ease the optical output power and changing the TEC temperature will set the TEC to the desired value affecting the wavelength The maximum setting for the current is limited by the hardware and the TEC...

Page 12: ...s high 4 dB and cannot be corrected by cleaning or replacing the optical connectors Always apply dust cover plugs to unused optical receptacles to prevent the damage of internal optical connectors MAI...

Page 13: ...ntal or consequential loss Note that the warranty will be void upon any attempt to open or to fix the equipment by the user without prior approval of Optilab LLC 4 2 Service and Calibration Your DFB 4...

Page 14: ...ipe next to it 4 Wipe the optical connector end face down on the moist wipe 3 times and then repeat on the dry wipe 5 Visually inspect the end face of the optical connector with an optical microscope...

Page 15: ...ts 1 Parity None Flow Control None 5 2 Query Commands READ CR LF Read the device information see format below HELP CR LF Read the device command set 5 3 Set Commands SET ADD C XXX CR LF Set the laser...

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