Variable Optical Attenuators

The Noyes SVA 1 Single-mode Variable Attenuator from AFL Telecommunications advances fiber optic field testing by offering superior performance in a low cost hand-held package. Utilizing a simplified, industry accepted attenuation technique, the innovative design of the SVA 1 offers superior resolution across the entire 60 dB dynamic range. In ...more

The 338A variable single-mode attenuator allows for quick optical power adjustments when performing fiber optic tests and measurements ...more

OZ Optics Ltd. introduces a MEMS based variable optical attenuator (VOA) in a fast, low cost miniature package. The attenuators are available either in individual units or as an integrated array of separate attenuators, each with independent continuous control. The attenuation is controlled by a simple analog voltage input signal ...more

Variable attenuators from Timbercon produce precision levels of attenuation, with the added flexibility of adjustment. By using simple adjustment controls, the attenuation can be easily modified to any level required by your specific project. These devices are ideal for adjusting OEM systems in production as well as laboratory applications. ...more

The Noyes VOA 5-MM (multimode) and VOA 5-SM (single-mode) from AFL Telecommunications are hand-held, field-rugged variable optical attenuators suited for a wide range of fiber link certification and production test applications. The VOA 5 can be operated under local control (front panel keypad) or from a PC via a serial link using the supplied ...more

The 330A variable single-mode attenuator allows for quick optical power adjustments when performing fiber optic tests and measurements ...more

The Agilent variable optical attenuator family features lowest insertion loss and excellent wavelength flatness over a complete attenuation range of 60 dB, for characterizing optical network components for telecomunication and data communication in systems.  ...more

The AQ3105A and AQ3140 are highly precise optical variable attenuators, ideal for measurement of optical loss characteristics and transmission error rates in evaluating single-mode fiber-optic communications equipment ...more

The FOD 5418, 5419, 5420 Variable Optical Attenuators are designed for singlemode application at 1310 and 1550 nm or multimode application at 850 and 1300 nm. They allow variable attenuation settings in range from 0 to 80 dB with resolution 0.05 dB. ...more

JW3301 Variable Optical Attenuator is designed to meet the production and application of the optical telecommunication equipment which is with features of compact size, light weight, low power consumption and high cost-performance ratio. It is an essential instrument for the test of the passive components, optical fiber, optical fiber cables and op ...more

The JDSU variable slope attenuator (VSA) equalizes uneven gain profiles inherent to the use of optical amplifiers. The VSA is Telcordia GR 1209 and 1221 compliant and uses hermetic sealing for increased resistance to environmental extremes. ...more

JDSU Electrostatic MEMS Variable Optical Attenuators (ESVOA) focus on key network optical power management applications. JDSU offers ESVOA series attenuators in normally open and normally closed states. ESVOA series attenuators fully comply with the Telcordia 1221 reliability program. ...more

With built-in optical power meter for monitoring power. Compact and lightweight optical variable attenuator. Compact: The AQ2200-331 features an optical variable attenuator and an optical power meter for monitoring the optical output power in a one-slot module. ...more

The OLA-54 and OLA-55 SMART Optical Level Attenuators are future-proof, improved variable attenuators for system testing, installation, maintenance, and production of multimode fibers (OLA-54) and singlemode fibers(OLA-55).  ...more

The FOD 5418, 5419, 5420 Variable Optical Attenuators are designed for singlemode application at 1310 and 1550 nm or multimode application at 850 and 1300 nm. They allow variable attenuation settings in range from 0 to 80 dB with resolution 0.05 dB. ...more

The FOD 5418, 5419, 5420 Variable Optical Attenuators are designed for singlemode application at 1310 and 1550 nm or multimode application at 850 and 1300 nm. They allow variable attenuation settings in range from 0 to 80 dB with resolution 0.05 dB. ...more

"Joinwit has designed the JW3305 handheld variable attenuator which be used in Single-mode fiber. With features of rugged, easy-to-use and good cushioning, JW3305 is suitable for field installation in fiber optic area. In addition, JW3305 attenuator has the inimitable function of display both output and input optical powers. It can be used as an at ...more

The JDSU variable slope attenuator (VSA) equalizes uneven gain profiles inherent to the use of optical amplifiers. The VSA is Telcordia GR 1209 and 1221 compliant and uses hermetic sealing for increased resistance to environmental extremes. It is available in low contrast and high contrast variants, and offers excellent positive or negative sl ...more

The KI 7010 Hand held Variable Optical  Attenuator is a precision optical variable attenuator commonly used in conjunction with a bit error rate tester, for optical margin evaluation on optical fiber networks. Other handheld optical attenuator applications include measuring linearity and simulating fibre optic loss.  ...more

The OLA-55M SMART Motorized Optical Level Attenuator is a variable optical attenuator with a level controller mode in a single, rugged, handheld instrument. ...more

The BeamProfiler consists of three distinct modules: the Laser Sensor, the Image Capture Card, and the Software. The laser sensor is a compact measurement head comprising a silicon detector array and a variable attenuator. Several different arrays are available. Output from the unit is standard video (RS170 or CCIR). Every aspect of the optical ...more

The FIBERPRO s VOA is a compact variable optical attenuator that provides low insertion loss, a small footprint and extremely high reliability. Based on polymer planar lightwave circuit (PPLC) technology and the unique operation principle, it delivers more than 30 dB of dynamic attenuation range with less than 15 mW of power consumption per channel ...more

Variable Optical Attenuator are used in fiber optic transmission systems to reduce the optical power received by photo-detectors. The light intensity of laser diodes and LED's Should be controlled to be within their dynamical range. Otherwise, excess power level can result in undesired radiation pattern, modal structure and central wavelength. ...more

EigenLight's Series 300 Power Monitors and Series 400 Power Monitor-Attenuators provide continuous readout of optical power being carried by an optical fiber. Useful for measuring optical power in live test sets and fiber optic systems, these devices can be installed in the most sensitive optical circuit without affecting performance and withou ...more

The SOVA - Switched Optical Variable Attenuator from Dafocom Solutions Inc., is based on microbending technology. Its accuracy, low insertion loss, low back reflection, small footprint and rugged case make the SOVA an ideal instrument to use in the manufacturing, lab or field environment. ...more