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Product Description

Fiber optic collimator with FC/APC interface
Operating wavelength 350 nm-1700 nm
Nickel-copper alloy structure, purely mechanical assembly, featuring high stability and reliability
Aspheric lens design with aspherical aberration correction performance

The fiber optic collimator is a commonly used passive optical component in optical fiber signal transmission, which can convert the divergent light from the fiber output end into collimated light (parallel light) through the internal aspheric lens. LBTEK's adjustable fiber collimators include models with FC/APC fiber connectors, designed for use with single-mode fiber jumpers. They offer adjustable collimators with anti-reflection coatings covering ranges of 350 nm-700 nm, 600 nm-1050 nm, and 1050 nm-1700 nm, featuring a housing diameter of 12 mm. Additionally, the adjustable fiber collimators can be fine-tuned for collimation within their specified wavelength bands, ensuring excellent collimation performance across the anti-reflection coating range. The purely mechanical fixation provides higher durability and stability, while also being less susceptible to environmental factors such as temperature and humidity, thereby enhancing the collimator's reliability. LBTEK also offers various customization services, including special dimensions, design wavelengths, and output spot diameters, among other specifications. For specific customization requirements, please contact LBTEK technical support.

Product Model	Effective Focal Length	Anti-reflection coating range<sup>e</sup>	Output beam waist diameter<sup>a</sup>	Unit Price	Lead Time
ADFCC-2.0-APC Up	2.0 mm	1050-1700 nm	0.38 mm	$244.09	8 weeks
ADFCB-2.0-APC Up	2.0 mm	600-1050 nm	0.40 mm	$244.09	8 weeks
ADFCA-2.0-APC Up	2.0 mm	350 - 700 nm	0.36 mm	$244.09	8 weeks
ADFCC-11.0-APC Up	11.0 mm	1050-1700 nm	2.14 mm	$244.09	6 weeks
ADFCB-11.0-APC Up	11.0 mm	600 - 1050 nm	2.38 mm	$244.09	6 weeks
ADFCA-11.0-APC Up	11.0 mm	350 - 700 nm	2.03 mm	$244.09	6 weeks
ADFCC-7.5-APC Up	7.5 mm	1050-1700 nm	1.45 mm	$244.09	6 weeks
ADFCB-7.5-APC Up	7.5 mm	600-1050 nm	1.62 mm	$244.09	6 weeks
ADFCA-7.5-APC Up	7.5 mm	350 - 700 nm	1.36 mm	$244.09	6 weeks
ADFCC-4.6-APC Up	4.6 mm	1050-1700 nm	0.89 mm	$244.09	6 weeks
ADFCB-4.6-APC Up	4.6 mm	600-1050 nm	1.0 mm	$244.09	6 weeks
ADFCA-4.6-APC Up	4.6 mm	350 - 700 nm	0.85 mm	$244.09	6 weeks

Eccentric adjustment lever

Material: 303 stainless steel
Surface treatment: pickling and passivation
Eccentric rotating lever with knurled pattern
Adjustment range: ±0.8mm, ±1mm

The LBTEK eccentric adjustment lever is used to adjust fiber optic couplers. By rotating the eccentric adjustment lever, the adjustable focusing part of the coupler can be moved. Currently, there are two models of eccentric adjustment levers available: 85EK-08 and 10EK-10, with adjustment ranges of ±0.8mm and ±1mm respectively. The 85EK-08 eccentric adjustment lever is suitable for the three-axis FP3 series, while the 10EK-10 eccentric adjustment lever is compatible with the focus-adjustable ADFC series.

Adjustment of fiber optic coupler via adjustment lever

	Product Model	Adjustment range	Unit Price	Compare	Lead Time
	10EK-10	±1 mm	$7.19		6 weeks
	85EK-08	±0.8 mm	$6.54		6 weeks

Adjustable Focus Collimator