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  2. Fabry–Pérot interferometer - Wikipedia

    en.wikipedia.org/wiki/Fabry–Pérot_interferometer

    Interference fringes, showing fine structure, from a Fabry–Pérot etalon. The source is a cooled deuterium lamp. In optics, a Fabry–Pérot interferometer (FPI) or etalon is an optical cavity made from two parallel reflecting surfaces (i.e.: thin mirrors). Optical waves can pass through the optical cavity only when they are in resonance with it.

  3. 40CT cannon - Wikipedia

    en.wikipedia.org/wiki/40CT_cannon

    It is designed to fire 40mm telescoped ammunition. [2] This format provides significant benefit within vehicles in the space envelope required for the gun and the ammunition storage. [ 3 ] However, the selection of the unfielded, thus unproven, new design for major French and British programmes was controversial.

  4. Milkor 37/38mm and 40mm Stopper - Wikipedia

    en.wikipedia.org/wiki/Milkor_37/38mm_and_40mm...

    The Milkor Stopper is a riot gun used for riot control, designed to fire a 37/38mm or 40mm cartridge, which can be a 9mm Buckshot, Rubber ball buckshot, teargas canister, rubber shot cartridge or explosive. The weapon is simple to operate and all metal surfaces are treated with a coating for corrosion protection, plus long-life dry film ...

  5. QF 2-pounder naval gun - Wikipedia

    en.wikipedia.org/wiki/QF_2-pounder_naval_gun

    The 2-pounder gun, officially the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a 40 mm (1.6 in) British autocannon, used as an anti-aircraft gun by the Royal Navy. [note 1] The name came from the sound that the original models make when firing.

  6. Bushmaster IV - Wikipedia

    en.wikipedia.org/wiki/Bushmaster_IV

    The Bushmaster IV is a 40 mm chain-driven autocannon designed and built by Alliant Techsystems, based on the M242 Bushmaster, Bushmaster II and Bushmaster III. [1] [2] The Bushmaster IV fires 40×365mmR 3P (Prefragmented, Programmable, Proximity-fuzed), APFSDS-T Mk I, and APFSDS-T Mk II rounds. The 3P round will provide air burst capability and ...

  7. Bofors 40 Mk4 - Wikipedia

    en.wikipedia.org/wiki/Bofors_40_Mk4

    Bofors 40 mm 3P all-target programmable ammunition allows six modes including three proximity fuzing modes.This increases the flexibility and effectiveness of the gun system, which has further reduced the reaction time of the gun and it is possible to choose ammunition mode at the moment of firing, giving it the ability to switch rapidly between surface targets, air targets, and ground targets.

  8. M576 40 mm grenade - Wikipedia

    en.wikipedia.org/wiki/M576_40_mm_grenade

    The M576 is a US Army designation for a 2.646 in (67.2 mm) long and 0.254 lb (0.12 kg) heavy US 40mm grenade buckshot load used in the M79, M203, M320, and M32 MGL grenade launchers. [1] It is olive drab with black markings.

  9. Milkor 40 mm UBGL grenade launcher - Wikipedia

    en.wikipedia.org/wiki/Milkor_40_mm_UBGL_grenade...

    The UBGL is fitted with a steel barrel with constant-pitch rifling and swings to the side for loading and unloading of standard low-velocity 40mm cartridges. This enables the user to have a 40 mm grenade launcher capability together with an assault rifle. The UBGL can also be fired independently from a rifle (handheld) in an emergency.