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In 2017, Ophir Optronics, Ophir Optics Group, released the LightIR range of infrared thermal imaging zoom lenses, designed for UAVs, drones, and handheld devices. [5] At Eurosatory 2018, Ophir introduced another infrared thermal imaging lens to the range, the LightIR 15-75mm f/1.2, for uncooled 10–12-μm-pixel-size long–wave infrared (LWIR ...
As an example of OPA, the incident pump pulse is the 800 nm (12500 cm −1) output of a Ti:sapphire laser, and the two outputs, signal and idler, are in the near-infrared region, the sum of the wavenumber of which is equal to 12500 cm −1.
Free-space optical communication using infrared lasers can be a relatively inexpensive way to install a communications link in an urban area operating at up to 4 gigabit/s, compared to the cost of burying fiber optic cable, except for the radiation damage. "Since the eye cannot detect IR, blinking or closing the eyes to help prevent or reduce ...
The n(λ) and k(λ) spectra of each film are obtained along with film thickness, over a wide range of wavelengths from deep ultraviolet to near infrared wavelengths (190–1000 nm). In the following examples, the notation for theoretical and measured reflectance in the spectral plots is expressed as "R-theor" and "R-meas", respectively.
The schematic representation of a nano-FTIR system with a broadband infrared source. Nano-FTIR (nanoscale Fourier transform infrared spectroscopy) is a scanning probe technique that utilizes as a combination of two techniques: Fourier transform infrared spectroscopy (FTIR) and scattering-type scanning near-field optical microscopy (s-SNOM).
Visible, infrared (IR), or ultraviolet (UV) light is used to carry a wireless signal. It is generally used in short-range communication; extensions exist for long-range and ultra-long range. OWC systems operating in the visible band (390–750 nm) are commonly referred to as visible light communication (VLC).