BTF-100 Motor Driven Variable Bandwidth Tunable Filters

BTF-100 Motor Driven Variable Bandwidth Tunable Filters OZ Optics
 
  • SW10906
Polarization Insensitive; 1100 to 1650 nm; Bandwidth 1 to 18 nm; Insertion Loss 3 dB; PDL... more
Product information "BTF-100 Motor Driven Variable Bandwidth Tunable Filters"

Polarization Insensitive; 1100 to 1650 nm; Bandwidth 1 to 18 nm; Insertion Loss 3 dB; PDL <0.3 dB; Fiber Type SM, PM; Connector Type FC/PC, ST, SC, LC, MU, None

OZ Optics’ BTF-100 series of motorized adjustable variable bandwidth tunable filters are pigtailed components with built-in control electronics that allow both the wavelength and bandwidth of the filter to be controlled through an electrical interface.

The device contains two independently variable tunable bandpass filters in series. With the two filters tuned to cover slightly different wavelength ranges, the overall passband becomes the region where the two individual passbands overlap. The amount of overlap determines the width of the filter. Since each filter can be tuned over a range of wavelengths, both the center frequency and width of the passband can be controlled.

Each individual filter consists of a multi-layer thin film bandpass filter, designed to give a flat top pass band, with steep roll-off shapes. The center wavelength of the filters is adjusted by changing the angle of incidence of the light as it impinges upon the filter. In the BTF-100 series of motor driven variable bandwidth tunable filter, each filter is independently rotated relative to the incoming light, in order to change the passband.

OZ Optics uses a special technique to minimize polarization dependencies, allowing PDL effects to be kept below 0.3 dB, and making the spectral response virtually polarization independent. This feature makes the BTF-100 series ideal for today’s DWDM system applications.

Variable bandwidth tunable filters using single mode (SM) and polarization maintaining (PM) fibers are offered. In general, OZ Optics uses polarization maintaining fibers based on the PANDA fiber structure when building polarization maintaining components and patch cords. However, OZ Optics can construct devices using other PM fiber structures. OZ Optics also carries some alternative fiber types in stock, please contact AMS Technologies for availability. If necessary, OZ Optics is willing to use customer supplied fibers to build devices.

In addition to the BTF-100 series of motor driven variable bandwidth tunable filters, OZ Optics provides four further series of tunable filters – BTF-11 series of manually adjustable variable bandwidth tunable filters, TF-100 series of digital tunable filters, TF-100-11 series of motor driven tunable filters, and finally TF-11 series of manually adjustable polarization insensitive tunable filters.

If you are looking for filters with a fixed wavelength, have a look at OZ Optics’ FF series of fixed filters.

Key Features:

  • 45 nm Tunable Wavelength Range
  • 1 to 18 nm Continuously Adjustable Bandwidth
  • Wavelength and Bandwidth Independently Tunable
  • Flat-top Filter Shape
  • Available for Wavelengths from 1100 to 1650 nm
  • Polarization Insensitive
  • High Resolution
  • Single Mode (SM) and Polarization Maintaining (PM) Fiber Versions
  • High Out-of-band Suppression
  • High Input Power Handling
  • Built-in Microcontroller With RS-232, IIC or SPI Interface


Applications: WDM Channel Filtering; High-speed Transmission Testing; Signal Filtering; Laser Pulse Shaping; ASE Light Noise Suppression; Tunable Light Sources; Spectral Analysis; Fiber Optic Component Manufacturing; Quality Control and Measurement; Product Development; Automated Testing

Product Group: Motor Driven Variable Bandwidth Tunable Filters
Manufacturer Series Name: BTF-100
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