A programmable ODL, by contrast, allows the user to dynamically select from multiple discrete delay paths. This is achieved by integrating several optical switch stages with precisely cut lengths of fiber. Each system also includes two drop-in irises with four mounting positions for alignment (see. These flexible devices can be configured as traditional delay lines, as pulse width modulators or even as programmable oscillators. Our. Fiber Optic Delay Lines (ODL) consist of an input and output fiber collimator to project the light into free space and collect it again into a fiber. The distance the light travels in free space is precisely controlled, either by controlling the separation between the input and output optics, or by. We provide a full range of best-in-class optical and microwave delay solutions, including ultra-fast nanosecond variable delay, motor-driven delay lines, customer-defined fiber coil length selective delay, high-resolution digitally switching delay lines, RF integrated delay systems. We produce. Today, we'll move beyond the tedious details and delve into the core pain point: how to accurately select the type of optical fiber delay line based on your application scenario and transform latency challenges into competitive advantages. Fixed Optical Delay Line: The.