Re: [micro-manager-general] Coherent Sapphire CDRH Driver unit

[Kyle D. <kyl...@gm...>]

Hi Lukas,

On Mon, May 14, 2018 at 3:42 PM, lukas Hehn <heh...@gm...> wrote:

>
> I have two Coherent Sapphire CDRH driver units, each attached to a laser,
> that I would like to implement in micro manager via usb. I am not sure if I
> am doing something wrong with the setup, but I tried using both the
> Sapphire and the coherentcube device adapters and could not control the
> lasers with either. The lasers certainly work outside micro manager, and I
> switched the driver units to remote control. I found a baud rate of 19200
> for sapphire lasers in a manual, so that’s what I’ve been trying it with,
> but maybe that should be different because the lasers aren’t directly
> connected to the computer?
>
>
I am using a Coherent Sapphire 488 nm laser with a CDRH driver in
Micro-Manager 1.4.23 and 2.0. Actually I had the exact same problem in the
beginning: the switch on the driver unit is misleading. You should set it
to "Local" and not "Remote." Here are my full copied and pasted notes on
using this laser on Micro-Manager:

- Be sure that the Local/Remote switch on the back of the CDRH control box
is *set to Local*. *Remote* in this case refers to analog control, whereby
an external voltage signal can set the power and state of the laser.
Setting it to *Local* allows us to control the laser through a serial
interface.
- The Micro-Manager device adapter for this laser is called *Sapphire Laser*
.
- The baud rate for the laser's serial communications *must be set to 19200
bps*. Anything else and you will not be able to communicate with it. The
terminating characters are

*CR LF.*
I hope this helps!

Kyle