Coligh manufactures fluorescent longpass TRITC microscope filter set specifically optimized for TRITC fluorescent dyes, ideal for orange-red fluorescence detection in multicolor imaging systems.
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Excitation filter 530/30 nm: Precisely matches the TRITC absorption peak (550 nm), with >90% transmission to deliver more effective photons.
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Emission filter LP575 nm: Fully captures the extended TRITC emission spectrum (580–650 nm), avoiding signal cutoff seen with bandpass filters.
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Dichroic mirror 565 nm: Effectively reflects excitation light and transmits emission light, achieving precise separation at 565 nm and directing the appropriate light paths to the sample and detector.
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Blocking depth >OD5: Strong suppression of out-of-band light and non-specific excitation improves fluorescence image contrast.
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>90% transmission: Enables stronger fluorescence signals and improves detection of weak emissions.
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Hard-coated by dry deposition: Scratch-resistant and durable, suitable for long-term integration in industrial systems or frequent module replacement in lab environments.