{"title":"Bandpass Filters for Environmental Monitoring","description":"\u003cp data-path-to-node=\"1\"\u003eBandpass filters for environmental monitoring are designed to transmit selected ultraviolet, visible, or infrared bands while reducing unwanted out-of-band light and solar background noise. In gas analysis, water quality testing, and atmospheric monitoring systems, these filters isolate specific molecular absorption or emission spectra to identify and quantify environmental pollutants and greenhouse gases.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eApplications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003eGas sensing and spectroscopy for identifying trace gases (such as CO₂, NO₂, SO₂, and CH₄) in industrial emissions and atmospheric studies\u003c\/li\u003e\n\u003cli\u003eWater quality analysis systems for detecting dissolved organics, chlorophyll, and turbidity using fluorescence or colorimetric measurement\u003c\/li\u003e\n\u003cli\u003eMultispectral remote sensing for mapping vegetation health and monitoring large-scale environmental changes\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"bp555-10","title":"BP555-10 Bandpass Filter(CWL=555nm,FWHM=10nm)","description":"\u003cp\u003eThis BP555-10 Bandpass Filter is designed to transmit a narrow band around 555 nm while reducing out-of-band light. It is suitable for laser line cleanup, fluorescence excitation, and machine vision systems using green laser or LED illumination. It helps isolate the target signal, reduce background light, and improve contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWavelength \/ main spec: 555 nm center wavelength (CWL)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth \/ transition spec: 10 nm FWHM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransmission \/ blocking: T \u0026gt;85%; OD3 blocking from 200-1200 nm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormat \/ custom option: Available in Dia 12.5mm to dia 25mm (mounted\/unmounted); Custom sizes and mounting options available on request\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SyronOptics","offers":[{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ dia12.5mm(unmounted)","offer_id":52074119987483,"sku":"SO3010289-d12.5u","price":50.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ dia12.5mm(mounted)","offer_id":52074119954715,"sku":"SO3010289-d12.5mt","price":55.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ SM05(0.535″-40TPI)","offer_id":52074120085787,"sku":"SO3010289-sm05","price":55.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ dia25mm(unmounted)","offer_id":52074120053019,"sku":"SO3010289-d25u","price":60.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ dia25mm(mounted)","offer_id":52074120020251,"sku":"SO3010289-d25mt","price":65.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ SM1(1.035″-40TPI)","offer_id":52074120118555,"sku":"SO3010289-sm1","price":65.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ C-Mount(1″-32TPI)","offer_id":52074120151323,"sku":"SO3010289-cmount","price":65.0,"currency_code":"USD","in_stock":true},{"title":"CWL=555nm \/\/ FWHM=10nm \/ OD3@200-1200nm\/\/ T＞85% \/ 60x60mm(unmounted)","offer_id":52621195510043,"sku":"SO3010289-60x60u","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/8755\/0491\/files\/bp-555-10-od3-200-1200-nm.svg?v=1777299465"},{"product_id":"bp670-10","title":"BP670-10 Bandpass Filter(CWL=670nm,FWHM=10nm)","description":"\u003cp\u003eThis BP670-10 Bandpass Filter is designed to transmit a narrow band around 670 nm while reducing out-of-band light. 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It helps isolate the target signal, reduce background light, and improve contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWavelength \/ main spec: 670 nm center wavelength (CWL)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth \/ transition spec: 10 nm FWHM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransmission \/ blocking: T \u0026gt;90%; OD5 blocking from 200-1100 nm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormat \/ custom option: Available in Dia 12.5mm to dia 25mm (mounted\/unmounted); Custom sizes and mounting options available on request\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SyronOptics","offers":[{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ dia12.5mm(unmounted)","offer_id":50405612945691,"sku":"SO3010444-d12.5u","price":55.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ dia12.5mm(mounted)","offer_id":50405612912923,"sku":"SO3010444-d12.5mt","price":60.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ SM05(0.535″-40TPI)","offer_id":51121321607451,"sku":"SO3010444-sm05","price":60.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ dia25mm(unmounted)","offer_id":50405613011227,"sku":"SO3010444-d25u","price":65.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ dia25mm(mounted)","offer_id":50405612978459,"sku":"SO3010444-d25mt","price":70.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ SM1(1.035″-40TPI)","offer_id":51121321640219,"sku":"SO3010444-sm1","price":70.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ C-Mount(1″-32TPI)","offer_id":51121321672987,"sku":"SO3010444-cmount","price":70.0,"currency_code":"USD","in_stock":true},{"title":"CWL=670nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ 60x60mm(unmounted)","offer_id":52621194723611,"sku":"SO3010444-60x60u","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/8755\/0491\/files\/BP670-10.webp?v=1753349798"},{"product_id":"bp740-10","title":"BP740-10 Bandpass Filter(CWL=740nm,FWHM=10nm)","description":"\u003cp\u003eThis BP740-10 Bandpass Filter is designed to transmit a narrow band around 740 nm while reducing out-of-band light. It is suitable for machine vision, optical inspection, and sensing systems using red LED or red laser diode illumination. It helps isolate the target signal, reduce background light, and improve contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWavelength \/ main spec: 740 nm center wavelength (CWL)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth \/ transition spec: 10 nm FWHM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransmission \/ blocking: T \u0026gt;90%; OD5 blocking from 200-1100 nm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormat \/ custom option: Available in Dia 12.5mm to dia 25mm (mounted\/unmounted); Custom sizes and mounting options available on request\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SyronOptics","offers":[{"title":"CWL=740nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ dia12.5mm(unmounted)","offer_id":50405651120411,"sku":"SO3010500-d12.5u","price":55.0,"currency_code":"USD","in_stock":true},{"title":"CWL=740nm \/\/ FWHM=10nm \/ OD5@200-1100nm\/\/T＞90% \/ 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