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Supplier: Gurley Precision Instruments
Description: Incremental OD Steps: -0.04 to 4.0 (clear center to dark edges), -4.0 to 0.04 (dark center to clear edges)
- Diameter, Square Side, or Rectangular Length: 50.8 mm
- Filter Shape: Circular
- Filter Surface Quality: 60-40 Scratch / Dig
- Neutral Density Filter Type: Reflective
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Supplier: Daheng New Epoch Technology, Inc.
Description: Circularly variable neutral density filters are designed to simplify attenuation and beam splitting from VIS to near IR. The optical density gradually varies around a 270 circle for convenient attenuation adjustment by simply rotating the filter.
- Diameter, Square Side, or Rectangular Length: 50 mm
- Filter Shape: Circular
- Filter Type: Neutral Density Filters
- Thickness: 1.5 mm
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Supplier: Thorlabs, Inc.
Description: At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the
- Diameter, Square Side, or Rectangular Length: 12.7 to 100 mm
- Filter Shape: Circular, Rectangular
- Filter Surface Quality: 40-20 Scratch / Dig, 60-40 Scratch / Dig
- Neutral Density Filter Type: Reflective, Absorptive, Variable
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Supplier: Gurley Precision Instruments
Description: Linear Adjustable Attenuation by Rotation, Variable Density Range from 0.0 to 4.0, Spectral Range: Optically Flat from 400nm to 700nm
- Diameter, Square Side, or Rectangular Length: 25 to 100 mm
- Filter Shape: Circular
- Filter Surface Quality: 60-40 Scratch / Dig
- Neutral Density Filter Type: Variable
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Supplier: Edmund Optics Inc.
Description: Complete Package Smooth Rotation Circular ND filters provide continuously variable, linear attenuation of incident light by rotating the filter about its center. The transmitted intensity is varied as a function of the optical density range. An inexpensive,
- Application Specific: Infrared (IR)
- Filter Type: Neutral Density Filters
- Thickness: 2 mm
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Supplier: Edmund Optics Inc.
Description: Complete Package Smooth Rotation Circular ND filters provide continuously variable, linear attenuation of incident light by rotating the filter about its center. The transmitted intensity is varied as a function of the optical density range. An inexpensive,
- Application Specific: Infrared (IR)
- Filter Type: Neutral Density Filters
- Thickness: 2 mm
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Supplier: Edmund Optics Inc.
Description: Complete Package Smooth Rotation Circular ND filters provide continuously variable, linear attenuation of incident light by rotating the filter about its center. The transmitted intensity is varied as a function of the optical density range. An inexpensive,
- Application Specific: Infrared (IR)
- Filter Type: Neutral Density Filters
- Thickness: 2 mm
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Supplier: Edmund Optics Inc.
Description: Complete Package Smooth Rotation Circular ND filters provide continuously variable, linear attenuation of incident light by rotating the filter about its center. The transmitted intensity is varied as a function of the optical density range. An inexpensive,
- Application Specific: Infrared (IR)
- Filter Type: Neutral Density Filters
- Thickness: 2 mm
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Supplier: Newport MKS
Description: The 50Q04AV.2 is a circular variable metallic neutral density filter, made of UV grade fused silica, 127 mm in diameter, surface flatness of =1?/2, and coated for an OD range of 0.05-2.0. Our circular variable neutral density
- Diameter, Square Side, or Rectangular Length: 127 mm
- Filter Surface Quality: Other
- Filter Type: Circular Variable Filters, Neutral Density Filters
- Thickness: 9.53 mm
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Supplier: Newport MKS
Description: The 50G02AV.1 Circular Variable Metallic ND Filter is a circular variable metallic neutral density filter, made of N-BK7 glass. It is 127 mm in diameter with surface flatness of =1? , and coated for an OD range of 0.05-1.0. Our circular
- Diameter, Square Side, or Rectangular Length: 127 mm
- Filter Surface Quality: Other
- Filter Type: Circular Variable Filters, Neutral Density Filters
- Thickness: 9.53 mm
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Supplier: Newport MKS
Description: The 941 Variable Neutral Density Filter Rotation Mount offers the widest possible aperture and provides basic mounting compatibility with posts, platforms and clamps. The spindle is integrated into a block with an array of tapped and clearance holes. Circular
- Filter Shape: Circular
- Substrate Material: Other
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Supplier: Newport MKS
Description: The 946-M Variable Neutral Density Filter Mount provides rotation as well as pitch/yaw adjustment for circular variable neutral density filters having a 1.0-in (25.4-mm) ID. SM-13 Micrometers provide angular adjustment of ±4° about each
- Filter Shape: Circular
- Substrate Material: Other
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Applications of ultrasensitive wavelength‐modulated differential photothermal radiometry to noninvasive glucose detection in blood serum
The intensity ratio of the two la- sers is controlled by a motorized variable circular neutral density filter (Reynard Corp, CA) placed in front of laser B and the phase shift between the two laser beams is sensitively controlled by the phase …
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The Infra Redtarget Generator (IRTG)
The variation of source radiance with apparent closure distance and aspect is generated by a servo controlled silicon circular variable neutral density filter (CVNDF) (Figure 5) capable of rotating .
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A Photon-Camera Star Tracker For Stellar Interferometry
A circular variable neutral density filter which is rotated by a stepper motor (shown in Figure 1) is responsible for performing this function.
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Visual System For The Boom Operator Part Task Trainer
A circular variable neutral density filter covering a range of N.D. 0 to N.D. 2 is used to compensate for these wide ranges of signal and scanning levels.
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Image projection optical system for measuring pattern electroretinograms
output beam first passes through a circular variable neutral density filter , attached to a stepper motor, which is used to vary the intensity of the projected fringe pattern.
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Compact, rugged, and inexpensive frequency-domain fluorometer
A circular variable neutral density filter is used to maintain a computer- programmable constant light input into the PMT and to provide dynamic range for the instrument.
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Time-resolved optical mammography between 637 and 985 nm: clinical study on the detection and identification of breast lesions
Circular variable neutral density filters , placed in front of each PMT, were used to optimize the illumination power during in vivo measurements and for the acquisition of the instrument response function, as changing the settings of the laser driver would affect the …
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HERMES at Mercator, competitive high‐resolution spectroscopy with a small telescope
To allow ac- quisition and guiding for a large range of brightness levels, a circular variable neutral density filter is used to attenuate from 0.1 to 100 %.
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Efficient Methods to Generate Reproducible Mass Spectra in Matrix-Assisted Laser Desorption Ionization of Peptides
In our original apparatus, we manually adjusted laser pulse energy by rotating a circular variable neutral density filter (model CNDQ-4-100.0 M, CVI Melles Griot, Albuquerque, NM, USA) installed immediately after the laser.
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Two-photon absorption in V-type chromophores with electron-rich heterocyclevinylene bridges
After passing through a circular variable neutral density filter that was used to con- trol the power of the laser, the laser was focused into the cell (polished on all sides) by a focusing lens (f=6 cm).