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Color Correction & Temperature Filters

Dichroic color filter coatings are an excellent alternative to dyed plastics and glass when a beam of light must be split into two distinct beams varying by wavelength. Color correction filters alter the overall color of light to achieve a specific color and sometimes to obtain a specific color temperature. Unlike plastic color gels which age and breakdown quickly during use, dichroic filters and color correction filters are designed to stand up to the heat and UV energy in high energy light sources. High energy light sources can also have a damaging effect on dyed glasses as well, due to their heat absorbing nature.

Dichroic and color correction filters have the advantage of reflecting unwanted light instead of absorbing the energy, which allows dichroic filters to be used with much higher intensity light sources up to 550°F.

Dichroic color filters are used in a variety of applications including architectural, entertainment, scientific instruments, and engineering. Many industry standard colors have been engineered as dichroic filters.

We have over 160 different colors available. Dichroics are offered from 1.1mm (.043”) thick up to 3.3mm (1.28”) thick.

Standard Additive Blue Filter Coating

The Standard Additive Blue Filter color coating has an average transmittance more than 85% from 390-480nm, 50% point at 505nm ±15nm, and average transmission less than 1% from 540-750nm at normal incidence.

Standard Additive Blue Graph

Standard Additive Green Filter Coating

The Standard Additive Green Filter color coating has an average transmittance less than 1% from 400-460nm, 50% point at 505nm ±15nm, peak transmission at more than 70%, 50% point at 575nm ±15nm and average transmittance less than 1% at 610-710nm at normal incidence.

Standard Additive Green Graph

Standard Additive Red Filter Coating

The Standard Additive Red Filter color coating has an average transmittance less than 1% from 390-550nm, 50% point at 605nm ±15nm and average transmittance more than 75% from 620-730nm at normal incidence.

Standard Additive Red Graph

Standard Subtractive Cyan Filter Coating

The Standard Subtractive Cyan (Anti-Red) Filter color coating has an average transmittance more than 85% from 400-550nm, 50% point at 590nm ±15nm and average transmittance less than 1% from 640-720nm at normal incidence.

Standard Subtractive Cyan Graph

Standard Subtractive Yellow Filter Coating

The Standard Subtractive Yellow (Anti-Blue) Filter color coating has an average transmittance less than 1% from 410-475nm, 50% point at 515nm ±15nm and average transmittance more than 85% from 550-750nm at normal incidence.

Standard Subtractive Yellow Graph

Standard Subtractive Magenta Filter Coating

The Standard Subtractive Magenta (Anti-Green) Filter color coating has an average transmittance more than 80% from 380-470nm, 50% point at 485nm ±15nm, average transmittance less than 1% from 535-565nm, 50% point at 615nm ±15nm and average transmittance more than 80% 655-750nm at normal incidence.

Standard Subtractive Magenta Graph

Color Temperature Blue Filter Coating

A variety of standard color correcting filters are available including Color Temperature Blue (CTB). A Full CTB filter converts a 3200K light source to 5500K. Most filters are stocked in 24″ diameter x 3.3 mm thick Borofloat®. Additionally, CTB filters are available in shades with lesser color temperature shift.

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Color Temperature Blue Graph

Color Temperature Orange Filter Coating

Another standard color correcting filter is Color Temperature Orange (CTO). A Full CTO filter converts a 5500K light source to 3200K. Most filters are stocked in 24″ diameter x 3.3 mm thick Borofloat®. CTO filters are also available in shades with lesser color temperature shift.

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Color Temperature Orange Graph

At Abrisa Technologies, we have over 160 different standard dichroic color in stock. These long lasting filters can withstand up to 550°F. All dichroics are 1.7mm (0.69) thick unless noted and are on SCHOTT Borofloat®.

Dichroic Filters
Similar to Rosco #
#120 Red
26
#121 Golden Amber
20
#122 Yellow
12
#123 Medium Green
389
#125 Medium Blue
68
#129 Blue Magenta
49
#130 Indigo
59
#131 Pink Amber
03
#132 Cyan
73
#133 Pink
36
#134 Dark Blue
80
#135 Flesh Pink
34
#137 Deep Blue
85
#138 Orange Red
25
#139 Pink Magenta
346
#142 Orange
23
#143 Fire
22
#144 Salmon
42
#145 Pale Pink
34
#146 Light Yellow Green
86
#147 Medium Yellow Green
90
#149 Pale Green
88
#150 Aqua (Turquoise)
95
#151 Straw Amber
15
#153 Pink Peach
02
#154 Medium Dark Blue
69
Absorption Filters
Similar to Rosco #
#201 Red
27
#203 Yellow
10
#205 Pink
38
#206 Deep Green
90
#207 Medium Amber
20
#208 Medium Blue
64
#209 Dark Blue
83
#211 Light Blue
60
#401 Lavender
54
#402 Mercury Vapor Green
3304
#403 Light Green
88

Solid Colored Glass – can be heat treated up to 6″ in diameter for added heat resistance, 1/8″ thick. If high heat resistance is needed use dichroics.

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