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Materials used in the creation, detection, or manipulation of light, and their use in solving industry problems.

Andover Optical Accessories

Product Announcement from Andover Corporation

Andover Optical Accessories-Image


Filter Wheels

These filter wheels are used for a host of applications, including color CCD photography, fluorescence microscopy, and photometry. Two 4" dia, wheels are available: one which accepts six 25mm filters, and one which accepts twelve 12.5mm filters.
Remote or Manual Operation
Filter selection can be made manually from push buttons on the unit, or remotely from either a USB 2.0 or RS-232 interface.
Interchangeable filter wheels
The 4" dia. wheel is easily changed, allowing quick conversions between applications. Additional wheels are available.
Programming and Remote Control
Automation of filter sequences is available through the serial interface. A simple command language facilitates retrieving filter status and making filter selections. LabVIEW software is included, and consists of a stand-alone user interface as well as a drive which can be incorporated into your own software.
The unit comes with the controller, filter housing, filter wheel, and a 5 VDC power supply, and threaded rings to hold the optics in place.

Threaded Filter Rings

In addition to our standard rings, Andover offers a variety of threaded ring mounts. Standard sizes and thread pitches enable the user to attach the filter securely to equipment.

Please contact our technical sales department to discuss your requirements.

• Industry-standard sizes

• Adaptable to most of our standard products

• Laser-engraved identification

Temperature Controllers

The performance of very narrow bandwidth interference filters can suffer significantly due to changes in ambient temperature or aging effects. Elevating the filter temperature can counterbalance aging shifts of up to 0.5nm and also provide a means of tuning the center wavelength to an exact value. As all our filters are bake stabilized to minimize any wavelength shifts with age, the regulated temperature controller provides protection against the influences of fluctuating ambient temperatures.

All of our filter ovens come with a universal oven controller, which will operate from 110 to 220 volts, 50-60 Hz, and include plugs for US, UK, Australia, and Europe. Shipped in a sturdy, reusable weatherproof case.

• Provides added control over ambient temperatures

• Effective for conducting outdoor experiments

• Custom sizes and temperature ranges also available


The oven controller is required to operate the filter oven. For economic reasons, it may be desirable to purchase several filter ovens but fewer controllers, as dictated by your application.


The assembly kits include the necessary hardware to mount a filter into the filter oven as well as instructions for assembly. The windows supplied are broadband antireflective (A/R) coated over the specified wavelength range for an average reflectance of ≤ 0.5% per surface. The substrate material is either Schott BK-7 or fused silica, as appropriate, and are polished flat to _ wave and parallel to 30 arc seconds or better.

Epolite FH-5313 Epoxy

Fuller Epolite FH-5313 is a 100% solid, room temperature curing, optically clear, electrical grade epoxy. Proven to be a superior bonding agent for ferrite pot cures, this system is designed for continuous operation at temperatures up to 200°F. Resin and hardener are sold individually or in kits, and in pre-measured A-Paks.

• Ideal for bonding a variety of optical substrates and potting electronic assemblies

• Excellent chemical resistance, and mechanical strength

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