{"product_id":"bp1550-3","title":"BP1550-3 Bandpass Filter(CWL=1550nm,FWHM=3nm)","description":"\u003cp data-path-to-node=\"0\"\u003eThis BP1550-3 bandpass filter is designed to transmit an extremely narrow infrared band centered at 1550 nm while providing deep blocking of unwanted out-of-band light across a wide spectral range.\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eIt is suitable for laser line cleanup, fiber optic communication testing, and high-precision sensing systems using 1550 nm laser diodes or C-band signal detection. It helps isolate the target signal with high spectral selectivity, reduce broadband background noise from UV to NIR, and improve the signal-to-noise ratio in sensitive optical measurements.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWavelength \/ main spec: 1550 nm center wavelength (CWL)\u003c\/li\u003e\n\u003cli\u003eBandwidth \/ transition spec: 3 nm FWHM\u003c\/li\u003e\n\u003cli\u003eTransmission \/ blocking: T \u0026gt; 90%; OD4 blocking from 200–1750 nm\u003c\/li\u003e\n\u003cli\u003eFormat \/ custom option: Available in diameters from 12.5 mm to 25 mm (mounted\/unmounted); custom sizes available on request\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SyronOptics","offers":[{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ dia12.5mm(mounted)","offer_id":51880428765467,"sku":"SO3015543-d12.5mt","price":130.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ dia12.5mm(unmounted)","offer_id":51880428798235,"sku":"SO3015543-d12.5u","price":125.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ dia25mm(mounted)","offer_id":51880428831003,"sku":"SO3015543-d25mt","price":180.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ dia25mm(unmounted)","offer_id":51880428863771,"sku":"SO3015543-d25u","price":175.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ SM05(0.535″-40TPI)","offer_id":51880428896539,"sku":"SO3015543-sm05","price":130.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ SM1(1.035″-40TPI)","offer_id":51880428929307,"sku":"SO3015543-sm1","price":180.0,"currency_code":"USD","in_stock":true},{"title":"CWL=1550nm \/\/ FWHM=3nm \/ OD4@200-1750nm \/\/ T＞90% \/ C-Mount(1″-32TPI)","offer_id":51880428962075,"sku":"SO3015543-cmount","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/8755\/0491\/files\/bp-1550-3-od4-200-1750-nm.svg?v=1777133420","url":"https:\/\/syronoptics.com\/products\/bp1550-3","provider":"SyronOptics","version":"1.0","type":"link"}