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CALLISTO 930 nm OCT System

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Callisto 930 nm OCT Imaging System




  • Cross-Sectional and Volumertic Imaging

Thorlabs' High-Sensitivity CALLISTO™ OCT Imaging System

Features

  • High Sensitivity for Increased Contrast OCT Imaging
  • Ideal for Imaging Static or In Vitro Samples
  • Custom Configurations Available

Thorlabs' CALLISTO™ High-Sensitivity OCT Imaging system has one of the highest sensitivities of any of Thorlabs' OCT systems. The sensitivity directly corresponds to the smallest refractive index change in the sample that can be resolved. Hence, in a layered sample, the images produced by the Callisto will have high contrast between the layers. The Callisto operates at a maximum A-Scan rate of 1.2 kHz, which results in 2 fps with 512 lines per frame. The Callisto is a great tool for teaching labs in the fields of imaging, biophysics, biology, and biomedical engineering.

The CALLISTO is the ideal OCT system for imaging static samples due to its sensitivity of 105 dB and imaging rate of 1200 lines per second. The high sensitivity achieved with this imaging system enables distinction between layers of similar material that cannot be visualized by using other OCT systems at higher speeds, especially at greater depths. 

The CALLISTO system utilizes a USB data connection and is controlled via software preinstalled on the provided computer. It also includes a 3D scanning, common path probe with an integrated video camera for volume imaging and live video display. The included stand and sample stage provides XY translation and rotation of the sample along with axial travel of the probe. The CALLISTO system is fully functional right out of the box.

Optical Coherence Tomography (OCT) is a noninvasive optical imaging modality that provides real-time, 1D depth, 2D cross-sectional, and 3D volumetric images with micron-level resolution and millimeters of imaging depth. OCT images provide structural information of a sample, based on light backscattered from different layers of material within that sample. OCT imaging is considered to be the optical analog to ultrasound. OCT, however, achieves higher resolution through the use of near infrared wavelengths, at the cost of decreased penetration depth.  In addition to high resolution, the non-contact, noninvasive advantage of OCT makes it well suited for imaging samples such as biological tissue, small animals, and industrial materials.

 

CALLISTO System Specifications
Center Wavelength 930 nm
Imaging Speed
(A-Scan Line Rate)
1.2 kHz
Axial (Depth) Resolution (Air) <7.0 µm
Lateral Resolution 8 µm
Maximum Imaging Depth 1.6 mm
Imaging Speed (512 Lines/Frame) 2 fps
Maximum Pixels Per A-Scan 512
Sensitivity 105 dB

 

 

Callisto Processor

The Callisto OCT System includes a notebook PC with a 15.6" display. This processing system is set up with all the necessary data acquisition hardware, drivers, and software to start imaging upon arrival.

Computer Specifications*

  • Processor: Dual Core
  • Processor Speed: ≥ 2.5 GHz
  • Memory: ≥ 4 GB
  • Hard Drive: ≥ 250 GB
  • Data Acquisition: USB

 

Callisto SD-OCT Engine

The Callisto SD-OCT engine is housed in a 420 mm x 320 mm x 149 mm (16.54' x 12.6' x 5.86') unit. It contains 930 nm Superluminescent Diode Light Source and Linear CCD Array-Based Spectrometer. It also includes all associated drive electronics and controllers.

 

 

Hand-Held Probe and Stand

All Thorlabs OCT systems include a hand-held probe and stand, as shown here. The probe provides X-Y scanning for three-dimensional data acquisition. A cameraintegrated in the probe provides live video imaging during OCT data acquisition. The probe easily slips onto the stand for imaging of small samples.
The probe stand consists of a post-mounted focus block which is attached to a specially designed 12" x 14" aluminum breadboard using a Ø1.5" P14 Post.

Stand Features

  • Ideal for Vibration-Sensitive Studies such as Doppler OCT Imaging
  • 3/4" Thick Aluminum Breadboard Provides Increased Stability
  • Breadboard Base has Side Grips and Recessed Feet for Easy Lifting and Transportation of the Stand
  • Includes a Sample Stage with 1" X and Y Travel as well as Rotation

ABOUT US

Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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