Thorlabs LDC4000 series laser diode controller firmware
This firmware is a device internal program for LDC4000 series instruments. For installation instructions please consult the user’s manual.

Software needed for upload:
Thorlabs Device Firmware Upgrade Wizard

Change log:
Apr-29-2022   V1.9.5
•	QCW pulse generation extern triggered now up to real 1 kHz possible

Mar-14-2022   V1.9.3
•	Display contrast range adapted to new displays with RA8835 processor

Feb-28-2022   V1.9.2
•	Display timing better adapted to new display WO320240D with RA8835 processor

Jan-13-2022   V1.9.1
•	Contrast range better adapted to new display WO320240D with RA8835 processor

Jan-10-2022   V1.9.0
•	Adapted to new display with RA8835 processor

Jun-23-2021 	V1.8.0
•	Avoids QCW pulse jitter

Apr-10-2018 	V1.7.0
•	Avoids firmware hang-up in special cases

Apr-15-2015 	V1.6.0
•	Support for Flash AT25DN512C added

Nov-06-2013 	V1.5.0
•	Support for LDC board rev. -500.

Feb-06-2013 	V1.4.0
•	Keyboard controller firmware update.

Dec-12-2012 	V1.3.0
•	Support for LD output noise reduction filter added. 

Feb-11-2010 	V1.2.0
•	Setting of constant power feedback loop speed unstable. This is fixed.

Feb-05-2010 	V1.1.0
•	Problems with DDS signal generator could result in spurious malfunction of internal modulation circuit. This is fixed.

Jan-22-2010 	V1.0.0
•	Initial release.