Optical Bandpass Filters
Andover CorporationRequest Info
Standard Bandpass: Andover’s Standard Bandpass filters have been the mainstay
of the industry for decades. With our proprietary stabilization and sealing method
these filters will generally last for 10-20 years in the field. Their longevity, coupled
with their low cost and ready availability, make these a great choice for most
applications.
Semi-Custom Bandpass: In order to make it simple for customers to custom- tailor
a bandpass fillter for their application, Andover offers a line of Semi-Custom
bandpass filters. Their construction is similar to both the Standard Bandpass and
High-Transmitting bandpass filter offerings. Wide selection of wavelengths,
bandwidths and sizes, and two blocking options.
High-Transmitting Bandpass: Andover’s High-Transmitting Bandpass filters are a
variant of the Standard Bandpass filter line. Designed for use with PMTs and
photodiodes, they employ only dielectric coatings, and have a blocking range
tailored to the detector. This results in higher transmission than their fully-blocked
counterparts.
Hard-Coated Narrowband: Our first-surface, hard-coated narrowband filters
feature very high transmission and a steep transition to dense blocking from UV-
1200nm. Employing magnetron sputtered, hard-oxide coatings deposited on
Borosilicate Glass, they do not utilize any absorbing filter glasses, making them
suitable for high temperature applications. Available at wavelengths from 334nm to
1550nm, including all major laser lines and atomic absorption lines.
Hard-Coated
Broadband: This line of hard, first-surface coated filters feature very high
transmission over a broad range about the wavelength of interest. Our broadband
filters employ magnetron sputtered, hard-oxide coatings deposited on Borosilicate
Glass and do not utilize any absorbing filter glasses, making them suitable for high
temperature applications. They provide a steep transition from a high, peak
transmission to OD4 blocking. Available at standard Raman wavelengths: 488, 514,
532, 633, 785nm, as well as other popular wavelengths.
http://www.andovercorp.com
/Buyers_Guide/Andover_Corporation/c856
Published: March 2017
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