On Saturday, February 23, 2019 at 4:39:52 AM UTC+8, Phil Hobbs wrote:
On 2/22/19 2:50 PM, peen...@gmail.com wrote:
On Friday, February 15, 2008 at 11:27:36 AM UTC-8, Philip wrote:
On Feb 15, 6:14 am, "Florian" <florian.m...@dlr.de> wrote:
Hello Fellows,
does anybody have experience with ZEMAX and FRED? I am using ZEMAX at the
moment and think about trying out FRED.
Maybe somebody can tell some differences, advantages and disadvantages of
the two programs.
Greetings, Florian
Florian
I use both FRED and ZEMAX because they are different tools for
different (but similar) jobs.
Simply: FRED is a non-sequential ray tracing tool, and ZEMAX is a
sequential raytracing tool. ZEMAX EE has non-sequential raytracing
capabilities but I find them cumbersome to use and most customers in
the Aerospace/Defense/Govt sectors use FRED.
FRED and ZEMAX are used for a huge variety of purposes and it really
depends on the field of work you are in.
I use ZEMAX to design various types of optical systems and optimize
them. I use FRED to verify and quantify different aspects of the
radiometric properties of a system. In particular I use FRED to
import an optical model, and a mechanical model, and perform system or
sub-system stray light analysis.
Now if I were using FRED to design a telescope, I would become
frustrated. Also, If I were to use ZEMAX to quantify the effect of a
spurious reflection, I would become frustrated.
Is the reason you are looking for an alternative to ZEMAX because you
are using the wrong tool for the job?
-Philip
Philip,
My manager has asked me to get involved in our optical beam train design. I have been out of school now for over 20 years and haven't had to ray trace since then.
He is very old school and has these spread sheets that he developed over the years and prefers them. But He likes to do comparisons with another engineer who uses Zemax.
I was wondering in your experience if you would prefer FRED over Zemax to design rely imaging telescopes/systems that our process requires. We image a square mask on a high power laser system for laser shot peening. Mainly 1:1, 1:2 telescopes. Then
the final image is placed on a part with focusing beam.
Which program would be easier to learn with?
I'd appreciate any input.
You're replying to an 11-year-old post. This is Usenet, not Google
Groups. (Welcome.) Usenet has been around since 1979, whereas Google
didn't come around till 1997. (I'm not a lens designer, or I'd have a
whack at answering your question.)
Cheers
Phil Hobbs
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510
http://electrooptical.net
http://hobbs-eo.com
I have supply software for Embroidery, Garment, Shoe Making,
Jewelry Design, Embroidery Design collection, Printing and
optical software..such as wilcom,zemax,lighttools,code-v
,actix,lucidshape,optis speos caa,sprutcam,artcam,etc,.
When you buy Software from me,
you will receive offer good price, good software and good
service.+ Installation via Remote Access Teamviewer with your
computer as a Support and Help as free .Please Contact me.
Email:globalrobotsolutions#gmail.com //replace # to @//
Email:ken.lee.infoz#gmail.com //replace # to @//
Skype:yeehlee
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)