Optical monitoring measures the true optical thickness and not the evaporated or coated mass as in quartz monitoring. Therefore, precision and fine optics always require a combination of both measuring methods - quartz monitoring and optical monitoring.
When using the appropriate accessories, the OMD-8000 offers on request both measuring methods in one device to give your process the necessary precision and accuracy.
Transmission or reflection mode
Direct monitoring on the substrate holder
Light transmission via fiber optic cable
Monochromator-based wavelength selection
Windows-based user interface
Ethernet, serial or digital interface
Forecasting the expected curve
All current monitoring strategies are supported
Automatic amplifier adjustment
Digital light chopper
Stabilized halogen light source
Very high noise immunity
Very accurate repeatability
Very high resolution
Very large dynamic range
Optional UV light source
Optional test glass changer
Optional multi-changer (test glass & quartz)
Optional quartz measurement
Optional synchronized substrate holder drive
Optional table housing
Direct measurement on the calotte
The OMD-8000 can be used to measure either on the optionally available multi-changer or directly on the substrate holder, what is referred to as calotte, in transmission. The direct measurement on the substrate holder significantly improves the precision and repeatability as well as the productivity of the process.
Specifications are becoming narrower and requirements are getting higher in fine optics The OMD-8000 is therefore the perfect monitoring device for those who want to achieve the highest quality in their process.
Wide range of accessories
In order to adapt the OMD-8000 to your needs, we offer a wide range of accessories such as:
Suitable optical fibers
Attachments and brackets
Test glass changers/multi changers
6-fold quartz changers
Rotary feedthroughs for substrate holders
In addition to the items listed here, it is our strength to offer customized solutions.
If you have any questions, don’t hesitate to contact us.