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: OPTICAL FILTERS AND COATINGS |
CUSTOM FILTERS
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Tower custom filters cover applications for biomedical bandpass, narrow bandpass, broad banpass or long pass. Using ion-beam sputtering together with volume manufacturingmethods, Tower is able to offer cost-effective solutions.
Biomedical Filters
From: 340 nm to 766 nm
Size: as required
CWL tolerance: ±2 nm
FWHM: 8-10 nm, typical
FWHM Tolerance: ±1 nm
Transmission: >50%
Blocking: 300 nm – 1200 nm
Rejection: OD=4, 0.01% or 10-4
Narrow Bandpass
From: 340 nm to 1570 nm
Size: as required
CWL tolerance: 0.4 nm – 2 nm
FWHM: 2 nm – 50 nm
Transmission: >90%
Blocking: 300 nm – 1200 nm,
300 nm – 1800 nm
Rejection: OD>4, OD>6
Broad Bandpass
From: 340 nm to 1570 nm
Size: as required
CWL tolerance: >10 nm
FWHM: >50 nm
Transmission: >70%*
Blocking: 300 nm – 1200 nm,
300 nm – 1800 nm
Rejection: OD>3, OD>4
* Specify desired level
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COATINGS
- Highpower laser coatings: anti-reflection, reflective, partial
reflectors, beamsplitters and polarizers
- Metallic coatings, Aluminum – UV and protected, Silver – protected,
Reflectance >98% 800 nm to IR, Gold – protected and unprotected
- Broadband dichroic beamsplitter coatings
- Polarizing beamsplitter coatings
- Multi-wavelength and extended coatings
- Anti-reflective coatings from UV to IR
- Dielectric high reflective coatings high power
- Filters short pass, long pass and bandpass filters
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The above coatings are available for wavelengths ranging from UV, VIS, and near IR, including laser wavelengths from 193 nm to 3 microns.
Custom and specialized coatings available upon request.
IBS Ion beam sputttered thin films for the most complex optical image.
We can provide computer design of optical systems and thin film coatings.
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Tower Optical is a precision optics manufacturer
offering short lead times,excellent products, and
competitive prices.
Tower Optical Corporation
3600 S. Congress Avenue, Unit J
Boynton Beach, FL 33426
Email: sales@toweroptical.com
Phone: 1-561-740-2525
Toll Free: 1-800-526-7560
Fax: 1-561-740-2518
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©2010 contact Tower Optical Corporation for
Quality precision optics including Waveplates, Achromatic Waveplates, Retarders, Lenses, Prisms, Filters, Beam Splitters and Polarizers.
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