optical interference filters - SPOT Imaging Solutions

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Descriptions & Nomenclature Bandpass Filters Dichroic Filters 555XX30 CWL (center wavelength) Filter Design FWHM/Bandwidth 3RD550-580 Cut-on Cut-off 505DRLP Cut-on Filter Design 675DCSPXR Cut-off Filter Design Note: Full Width Half Max (FWHM) is defined by the region of the passband where the transmission of the filter is 50% of the maximum transmission. Filter Design – Our nomenclature and descriptors define the performance characteristics of filter designs. • BP – Bandpass filter: Bandpass filters transmit light within a defined spectral band. Coating designs range from 2 to 6 cavities. • QM – QuantaMAX: Surface coated, single substrate designs provide steep edges, very high transmission and minimal registration shift. • 3RD – 3 RD Millennium: Filters are manufactured using proprietary ALPHA coating technology and Omega’s patented, hermetic assembly, and defined by the critical cut-on and cut-off requirement. • AF – ALPHA Filter: Alpha filter designs are manufactured using Omega’s proprietary technology resulting in extremely steep edges, precise edge placement, and theoretical attenuation >OD10. Defined by the critical cut-on and cut-off requirement. • DF – Discriminating Filter: These filter designs have 6 or more interfering cavities, resulting in a rectangular bandpass shape, very steep edges, and very deep blocking up to optical density (OD) 6 outside the passband. • WB – Wideband Filter: Wideband filters are 4 & 5 cavity designs with FWHM greater than 30nm, up to several hundred nanometers. • NB – Narrowband: Narrowband filters are 2-cavity designs with FWHM typically between 0.2 and 8nm. Note: Cut-on or cut-off wavelength is defined as the wavelength at which the dichroic is at 50% of its maximum transmission. Filter Design – Dichroics are filters that highly reflect one specified spectral region while optimally transmitting another. These filters are often used at non-normal angles of incidence, typically 45 degrees. • DC – Dichroic: These filters provide wide regions of both transmission and reflection, exhibiting a high degree of polarization along with a somewhat shallow transition slope. • DR – Dichroic Reflector: These designs provide a steeper slope than typical DC filters, low polarization, a wide range of transmission and a limited region of reflection. • DCXR – Dichroic Extended Reflector: A design that provides extended reflection regions. • DCSP / DCLP / DRSP / DRLP: These designations dictate those portions of the spectrum that will be transmitted and reflected. The “SP” (shortpass) nomenclature means the filter will be transmitting wavelengths below the defined cut-off region. The “LP” (longpass) nomenclature defines the region of transmission as wavelengths above the defined cut-on region. 12 For current product listings, specifications, and pricing: www.omegafilters.com • sales@omegafilters.com 1.866.488.1064 (toll free within USA only) • +1.802.254.2690 (outside USA)
Longpass & Shortpass Filters 515ALP Cut-on Filter Design 680 ASP Cut-off Filter Design 3RD 650LP Filter Design Cut-on Note: Cut-on or cut-off wavelength is defined as the wavelength at which the filter is at 50% of its maximum transmission. Filter Product Line Codes XA – Analytical Filters XB – Bandpass Filters XC – Microscope Filter Holders XCC – Clinical Chemistry XCY – Flow Cytometry Filters XF – Fluorescence Filters XL – Laser Line Filters (not blocked) XLD – Laser Diode Clean-up XLK – Laser Line Filters (fully blocked) XLL – Laser Line Filters XMV – Machine Vision XND – Neutral Density Filters XRLP – Raman Longpass Filters XUV – UV Filters • LP – Longpass: These filters transmit wavelengths longer than the cut-on and reflect a range of wavelengths shorter than the cut-on. • SP – Shortpass: These filters transmit wavelengths shorter than the cut-off and reflect a range of wavelengths longer than the cut-off. Multi-band Filters • DB – Dual Band: Filters are designed to have two passbands and two rejection bands. • TB – Triple Band: Filters are designed to have three passbands and three rejection bands. • QB – Quad Band: Filters are designed to have four passbands and four rejection bands. For current product listings, specifications, and pricing: www.omegafilters.com • sales@omegafilters.com 1.866.488.1064 (toll free within USA only) • +1.802.254.2690 (outside USA) 13
Page 1 and 2: optical interference filters For Li
Page 3 and 4: table of contents Laser Line Filter
Page 5 and 6: about us Collaboration In any inst
Page 7 and 8: Capabilities Design • Thin Film D
Page 9 and 10: intellectual property 3 RD Millenni
Page 11: photonics teaching kit Involved in
Page 15 and 16: Lot to Lot Reproducibility With the
Page 17 and 18: ColorMAX series is intended for spe
Page 19 and 20: Organic Semiconductor Overview Orga
Page 21 and 22: Filter design All boundaries betwee
Page 23 and 24: With Optical Monitoring, the intens
Page 25 and 26: highest spectral performance. Resea
Page 27 and 28: exposure to light, particularly sho
Page 29 and 30: Types of Anti-Reflective Treatments
Page 31 and 32: Figure 4 Multi-layer broadband anti
Page 33 and 34: Filter Design Considerations and Yo
Page 35 and 36: Optical Interference Filters for Ap
Page 37 and 38: Shack-Hartmann Method “Shack-Hart
Page 39 and 40: Stock and Standard products For a q
Page 41 and 42: Stock and Standard products 510BP3
Page 43 and 44: Stock and Standard products 850WB25
Page 45 and 46: Astronomy filters Throughout our hi
Page 47 and 48: Astronomy filters Projects Omega Op
Page 49 and 50: Our line of standard interference f
Page 53 and 54: For instrument developers: High vol
Page 55 and 56: Improved signal-to-noise Excellent
Page 57 and 58: Centered on the laser resonance Cl
Page 61 and 62: Full Width Half Max (FWHM) or bandw
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Steep slopes Specified by the crit
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UV capabilities We currently offer
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Dichroic Beamsplitters by Cut-On Pr
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QuantaMAX and Standard Filters for
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Summary Given the vast number of fl
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Our line of standard interference f
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Steep edges Exceptional transmissi
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QuantaMAX Filters for fish and M-FI
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FISH and M-FISH Imaging Application
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middle and bottom left images. Bott
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FLOW CYTOMETRY FILTERS Omega Optica
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FLOW CYTOMETRY - DICHROIC FILTERS D
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Optimizing Filter Sets for FRET App
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For multi-color high discrimination
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For imaging all UV-excited Qdot con
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Excitation and emission filters: 18
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Optimize Your System with the Right
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At the focal point, a fluorophore a
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choosing the optimal filter set Ple
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FLUOROPHORE REFERENCE CHART Fluorop
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Fluorophores (M-S) Fluorophores (S-
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Light Source and detector reference
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I R O P Q Intensity Crosstalk: Int
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Cleaning Optical Interference Filte
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general information Specifications
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