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Products/Services for 1/4 wavelength monopole
At frequencies below 3 GHz, many different types of antennas are used such as simple monopole, dipoles, patches or arrays. Dish antennas are generally practical and commonly used at microwave frequencies (above approximately 3 GHz). In wireless data... Search by Specification | Learn More about Antennas
Wavelength division multiplexers (WDM) are passive devices that combine light signals with different wavelengths, coming from different fibers, onto a single fiber. They include dense wavelength division multiplexers (DWDM), devices that use optical Search by Specification | Learn More about Wavelength Division Multiplexers (WDM)
They are suitable for emergency communications, two-way radio, remote base stations, and cell-on-wheels (COW) applications. Poles are free-standing masts typically with solid cylindrical supports. Monopoles provide a free-standing tower... Learn More about Towers, Masts, Poles and Support Structures
Thermal imagers detect heat patterns in the infrared wavelength (1 micron to 100 micron) spectrum. Search by Specification | Learn More about Thermal Imagers
...or lenses can be designed to handle. Tehse include T-3/4 (1.8 mm), 2 mm, T-1 (3 mm), 3.2 mm, 4 mm, 6 mm, 7.6 mm, 8 mm, 10 mm, 20 mm, 1 mm x 5 mm, 2 mm x 3 mm, 2 mm x 4 mm, 2 mm x 5 mm, 2.5 mm x 5 mm, 3 mm x 3 mm, 5 mm x 5 mm, and High Flux (7.6 mm... Search by Specification | Learn More about LED Mounts and Lenses
...type, peak wavelength, viewing angle, optical power output, luminous intensity, forward current and forward voltage. LED types include infrared, red, orange, yellow, green, blue, white, and ultraviolet. Peak wavelength is the desired output... Search by Specification | Learn More about Light Emitting Diodes (LED)
...element, grating, crystal prism, or mirror diffracts the light into its spectrum. If the monochromator can be rotated, the dispersive element is manual or motor-driven. The angle at which the element is rotated determines the wavelength... Learn More about Monochromators
...or a laser shield such as a stainless steel or lead shield. Laser protective eyewear must be specific to the type of laser radiation involved. Laser wavelength, optical density (OD), visual transmittance, peak irradiance, field of view, effects... Search by Specification | Learn More about Laser Protective Eyewear
Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources. Search by Specification | Learn More about Interferometers
...a much longer CO2 wavelength. Sealed CO2 lasers can reach a power output ranging from a few watts to upwards to 100 W or more. Carbon dioxide lasers are attainable in two energy input configurations; those with an integral power supply, and those... Search by Specification | Learn More about Carbon Dioxide (CO2) Lasers
...not recognize colors, per se, instead focusing on light wavelengths. These devices can be configured to locate wavelengths from near infrared (colors in the 750 nm to 2500 nm wavelength range), far infrared (colors in the 6.00 to 15.00 micron wavelength... Search by Specification | Learn More about Color Sensors
Color and appearance instruments are used to measure the properties of paints and coatings including color, gloss, haze and transparency. Search by Specification | Learn More about Color and Appearance Instruments
Long pass filters transmit a wide spectral band of long wavelength radiation while blocking short wavelength radiation. Short pass filters transmit a wide spectral band of short wavelength radiation and block long wave radiation. Search by Specification | Learn More about Long Pass Filters and Short Pass Filters
...window couplers are designed for a single wavelength with a narrow wavelength window. Dual wavelength couplers are designed for two wavelengths with a wide wavelength window for each. Wideband couplers are designed for a single wavelength with a wider... Search by Specification | Learn More about Fiber Optic Couplers
...the place of the ejected electrons and emit photons in the process. The wavelength of the photons depends on the energy difference between the outer-shell and inner-shell electron orbitals. The amount of X-ray fluorescence is very sample dependent... Search by Specification | Learn More about X-ray Fluorescence Spectrometers
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AK-40G A.H. Systems Inc.
SAS-550-1B Battery Operated Active Monopole A.H. Systems Inc.
Low Profile Tamperproof Antennas Comtelco Antennas
Portable Antennas Comtelco Antennas
BSLL Super Duty Omni Directional Antenna Comtelco Antennas
2.4GHz Enclosed Yagi Antennas Comtelco Antennas
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Product News for 1/4 wavelength monopole
Miniature Helical Gearbox, 1:1 to 4:1 Ratio
Features
- Priced right
- Made in USA
- Aluminum housing
- Dual bronze bearings
- Ratios 1;1, 2:1, 3:1, 4:1
- Hardened stainless one piece worm/shaft
- Stainless output shaft
Optical Waveguide Sensor Or Wavelength Devices
Unique polymer waveguide configurations based on novel OIL designs enable diverse optical devices to be constructed. Light is guided to and from the sensing or filter surface with no or minimal crosstalk or back scatter into the input waveguide. Designs for capillaries, scanners, or wavelength selectivity with inserted dielectric filters are possible and have been demonstrated. (read more)
Ondax 405nm wavelength stabilised laser diodes
Photonic Products has launched a new range of 405nm wavelength stabilized laser diodes from Ondax for applications which include raman spectroscopy, flow cytometry and metrology / interferometry. (read more)
Wavelength Stabilized/Collimated 785nm-500mW Laser
Ondax's 785nm, 500mW Wavelength Stabilized Laser is a multi-mode, miniature laser in a collimated 9mm TO package. The stabilization is achieved using the Ondax Volume Holographic Grating (VHG) PowerLocker®. (read more)
SureLock™ Wavelength Stabilized Laser Diode
Ondax's Wavelength Stabilized Laser Diodes are a single mode, miniature laser in a standard TO package. The stabilization is achieved using the Ondax Volume Holographic Grating (VHG) PowerLocker®. The lasers are available in wavelengths ranging from 405nm to 785nm. Custom wavelengths are available upon request. (read more)
785nm-600mW Wavelength Stabilized Butterfly Laser
Ondax's 785nm, 600mW Wavelength Stabilized Laser is a multi-mode, miniature laser in a butterfly, fiber-coupled package with integrated TEC. The stabilization is achieved using the Ondax Volume Holographic Grating (VHG) PowerLocker®. (read more)
Ondax Wavelength Stabilized Laser Diode
Ondax's wavelength stabilized laser is a low cost, miniature laser in a standard TO package. (read more)
Edge Filters, Long Wavelength Pass Filters
Kentek's ACRX-800 Long Wavelength Pass Filter is designed to pass light beyond 800nm while attenuating light below. 5% Transmission ≥ 771nm, 50% T = 800nm ± 6nm, 80% T ≤ 825nm, PLT 0.0%. (read more)
Single Mode Dual Wavelength Laser Diode
ROHM's RLD2WMUV2 single mode dual wavelength laser diode features excellent low current characteristics [785nm:18mA (Tc=25ºC); 655nm:20mA (Tc=25ºC)], making it ideal for DVD players. (read more)
Wavelength Division Multiplexers
MPS Singlemode Coarse Wavelength Division Multiplexers(CWDM's) provide a cost effective solution, for increasing fiber optic network signal capacity. (read more)
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Big Bang - Wikipedia, the free encyclopedia accurate explanations from current scientific evidence and observation.[1[2 As used by cosmologists, the term Big Bang generally refers to the idea |
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Loudspeaker - Wikipedia, the free encyclopedia An expensive 4-way, high fidelity loudspeaker system. 1 History 2 Driver design 2.1 Driver types |
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Freescale Semiconductor Document Number: AN2731 Application... somewhat from the ground plane, preferably at least 1/4 wavelength (3 cm) but not less than 1 cm. Sometimes a loading technique is employed where the See Freescale Semiconductor, Inc. Information |
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Ultrasmall photonic-crystal zero-cell laser cavities: SPIE... for the monopole mode of the zero-cell cavities as a function of the hole-shift distance, s. The smallest mode volume, ~0.017?m3 or ~ 1.7(?/2nslab)3 |
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Pattern control of a 1/4 /spl lambda/ monopole antenna on a... Pattern control of a 1/4 /spl lambda/ monopole antenna on a handset by passive loading |
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Log periodic monopole array Finally, the measured vswr of an antenna designed to operate from 4 to 20 mc is presented. |
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DA505 AN-23 Jul99 For This is illustrated in the block diagram of Figure 1. example, when the package must be very small and com- The MICRF001 UHF receiver IC, See Micrel Semiconductor Information |
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MICRF008 QwikRadio? Sweep-Mode Receiver General Description... August 2008 2 M9999-080108 Micrel, Inc. MICRF008 Absolute Maximum Ratings(1) Operating Ratings(2) Supply Voltage (VDDRF, See Micrel Semiconductor Information |
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Small Loop Antennas: Part 1—Simulations and Applied... Ideally a simple and efficient RKE antenna is either a 1/2 wave dipole or a 1/4 wavelength monopole with its associated ground plane that mirrors the See Maxim Integrated Products, Inc. Information |
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1 1 RMS Delay Spread in Indoor LOS environments at 5.2 GHz J.T.E. McDonnell, T. P. Spiller, T.A. Wilkinson Hewlett?Packard Laboratories, Filton Road, |
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