{"product_id":"air-spaced-doublet-collimator-fc1550-6-9-pc","title":"Air-spaced doublet collimator FC1550-6.9-PC","description":"\u003cp\u003eThe air-spaced doublet collimators provided by LBTEK have no moving parts, featuring a compact structure unaffected by misalignment, which simplifies the coupling of free-space lasers to optical fibers. The air-spaced doublet collimators with FC\/PC connectors are currently available in ten design wavelengths: 405 nm, 450 nm, 520 nm, 635 nm, 780 nm, 850 nm, 980 nm, 1064 nm, 1310 nm, and 1550 nm. They are coated with anti-reflection coatings to reduce reflectivity. For detailed parameters, please refer to the parameter table. LBTEK offers various customization services. For specific customization requirements, please contact LBTEK Technical Support.\u003c\/p\u003e\n\u003cul class=\"lbtek-features\"\u003e\n\u003cli\u003ePC\/FC Connector\u003c\/li\u003e\n\u003cli\u003eCollimated Spot Diameter: 5.0~8.6 mm\u003c\/li\u003e\n\u003cli\u003eFocal Length: 33.2~37.1 mm\u003c\/li\u003e\n\u003cli\u003eNumerical Aperture (NA): 0.245~0.27\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"lbtek-explain\"\u003e\u003cimg src=\"https:\/\/images.lbtek.com\/uploads\/images\/others\/20210918\/ba69a5c737e49a826edf7eccdf472410.jpg\" alt=\"Specifications diagram\" loading=\"lazy\"\u003e\u003c\/div\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47521014349978,"sku":"FC1550-6.9-PC","price":362.39,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/173263873a1b49a04829607a63daa1e8.jpg?v=1772703650","url":"https:\/\/waveqvanta.com\/products\/air-spaced-doublet-collimator-fc1550-6-9-pc","provider":"WaveQuanta","version":"1.0","type":"link"}