3. SHORT WAVE PASS (SWP) FILTERS Coating Description A short-wavelength pass filter transmits energy at wavelengths shorter than the cut-off wavelength while energy at wavelengths longer than the cut-off is attenuated.

This cable is also backwards compatible with USB 2.0 devices and computers. This USB cable connects a computer or hub to a USB 3.0 peripheral such as a printer, ...

What is collimation?You may have heard of this term somewhere in your search for night vision and possibly dismissed it as yet another night vision jargon ...

A telescope that uses a mirror as its primary optical element is called a reflecting telescope. Large mirrors can be made thinner and lighter than lenses of the same size, which makes reflecting scopes ideal for sending to space. (Backyard telescopes can also have mirrors, too.)

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May 8, 2015 — In curved glass lenses, light takes longer to travel through the thicker parts of the lens than through the thinner parts. On the flat lens, ...

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Dielectric mirrors are a precise and effective way to create a quality mirror. Thin Film deposition not only gives a greater control over purity and uniformity, but it allows an easier means of coating different geometries which is why it's a preferred method for fabricating high quality mirrors.

X-ray mirrors use the slightly angled side of the paraboloid. X-rays can simply pass through the atoms that make up most telescope mirrors. To detect them, engineers turn the mirrors on their sides so the X-rays can skip off the surface. This is called a grazing incidence mirror. Since there’s a lot of empty space in the middle of a single paraboloid, X-ray mirrors incorporate multiple mirrors as nested onion-like shells. Engineers at NASA’s Goddard and Marshall Space Flight Centers have designed mirrors like these for missions like the X-ray Imaging and Spectroscopy Mission (XRISM) and the Imaging X-ray Polarimetry Explorer (IXPE).

These adaptors are designed to directly plug straight into any Supernova Fast Fit Wiring Harness picking up the high beam as a trigger.

Gamma rays are the universe’s most energetic form of light. They go straight through optics used for other wavelengths, making them impossible to reflect or refract. Instead, astrophysicists use special detectors to observe gamma rays and to figure out where they come from in the sky.

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All new SWIR–View Infrared Viewer. Now a portable, ergonomic, battery-operated SWIR viewer with integral display and digital video output.

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For example, the golden honeycomb of the James Webb Space Telescope is made of individual panels that combine to make one enormous mirror designed to collect infrared light from some of the oldest stars and most distant objects in the universe. The Hubble Space Telescope also uses this cup shape to collect ultraviolet, visible, and infrared light.

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For example, the Fermi Gamma-ray Space Telescope's Large Area Telescope (LAT) detects particles produced in a process known as pair production. When a gamma ray hits a layer of tungsten in one of LAT’s tracking towers, it creates an electron and its antimatter counterpart, a positron. (This process epitomizes the famous E=MC^2 equation.) Several layers of high-precision silicon detectors track the particles as they move through the instrument. The direction of the incoming gamma ray is determined by projecting the particle paths backward. The particles travel through the trackers until they reach a separate detector called a calorimeter, which absorbs them and measures their energies.

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NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

Intlvac systems can produce a wide range of multi-layer, dielectric coatings depending on customer requirements. Custom filter options are available using a diverse range of substrates for applications in the VIS, NIR, SWIR, and MWIR spectral regions. Coating examples include:

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Mirrors for visible and infrared light and dishes for radio light use the bottom portion of the paraboloid. Radio dishes may not look like traditional mirrors, but they’re reflective to radio waves.

2. LONG WAVE PASS (LWP) FILTERS Coating Description A long-wavelength pass filter transmits energy at wavelengths longer than the cut-on wavelength while energy at wavelengths shorter than the cut-on is attenuated.

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The size of the main mirror or lens determines how well a telescope can collect light. The larger a mirror or lens, the more light it collects, and the better its ability to detect fainter objects.

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Telescope mirrors are coated with different materials depending on the color of the light they need to reflect. The Webb mirror, for example, is coated with a thin layer of gold so that it can reflect infrared light.

A telescope using a lens for its main optical element is called a refracting telescope. Like eyeglasses, the lenses bend, or refract, light passing through them. The first telescopes, developed in the 1600s, were refractors, as are many backyard telescopes today.

Durability Performance Adhesion, severe abrasion, humidity as per the following (where applicable): MIL-C-675, MIL-M-13508, MIL-M-14806, MIL-C-48497, MIL-F-48616, MIL-STD-810F

Durability Performance Adhesion, severe abrasion, humidity as per the following (where applicable): MIL-C-675, MIL-M-13508, MIL-M-14806, MIL-C-48497, MIL-F-48616, MIL-STD-810F

... Clear Aperture. Super High-Power LED Collimator Sources, 22-mm Clear Aperture. $1,210.00USD – $2,070.00USD. Customize your product. Wavelength. Choose an option ...

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Mirrors for most telescopes are based on the same shape – a paraboloid, a 3D version of a parabola that has been spun around its center and resembles the nose cone of a rocket. Engineers design and craft a telescope’s mirrors based on what it will study using different parts of the paraboloid.

1. BANDPASS FILTERS Coating Description A bandpass filter is designed to transmit energy only within a selected band of wavelengths in the spectrum and reject all other wavelengths

Durability Performance Adhesion, severe abrasion, humidity as per the following (where applicable): MIL-C-675, MIL-M-13508, MIL-M-14806, MIL-C-48497, MIL-F-48616, MIL-STD-810F

Eyepieces typically produce an additional 10X magnification, but this can vary from 1X – 30X. Figure 1 illustrates the components of a compound microscope.

Schmidt prisms are used to invert and revert an image to angle of 45°. The 45° deviation makes Schmidt prisms useful in eyepiece assemblies and imaging systems ...

4. NEUTRAL DENSITY FILTERS The purpose of the neutral density (ND) coating is to attenuate the incident flux. In its simplest form, the thickness of a single metallic layer is adjusted so that a prescribed transmittance is attained.