CZMIL Supernova

Topo / Bathy multichannel green and infrared laser scanning system.

Supernova is the next generation topo/bathy lidar system from Teledyne Geospatial. Equipped with the most powerful green laser on the market, Supernova provides maximum depth penetration, superior coverage in turbid waters, and up to 8 ppm2 point density in shallow water.

Teledyne Geospatial

Vaughan, CA

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Description

Teledyne Optech Inc. has been making laser systems for over 40 years for space, airborne and fixed applications. Participating with the US Navy, Army Corps of Engineers and NOAA, Teledyne Optech developed the first airborne green laser scanning system, SHOALS (Scanning Hydrographic Oceanographic Airborne Laser System). Continuing the Army / Navy /NOAA partnership, the survey consortium JALBTCX (Joint Airborne Lidar Bathymetric Technical Center of Expertise) was born. The next development was the Coastal Zone Mapping Imaging Lidar (CZMIL) system, which first flew in 2012; there are now 9 systems worldwide. Improvements in the CZMIL system electronics and processing produced the Nova system. Now, in 2021, the CZMIL Supernova is introduced. This system has the deepest depth penetration on the market, yet can be programmed for shallow water surveys where water can be optically complex and higher point densities can be required. Key products points:

Programmable for deep, shallow and topographic modes
Best depth penetration on the market: 4.4 /Kd for deep channel and 2.9/Kd for shallow channel
SmartSpacing mode for more even point distribution across the swath
Onboard real-time data processing - land the survey flight with a point cloud
CARIS Base Editor software for data processing, visualization and product generation
CARIS Bathy Database for data management and exploitation

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Specifications

General: Year of introduction

2012

Year of last update

2021

Total Weight [kg]

287

Power requirements

85 A; 28 VDC

Type of GNSS/INS positioning system

Applanix POS AV V6

Camera

150 MP RGB metric frame camera with Infrared sensor head option (Phase One)). Hyperspectral options for VNIR, SWIR, Thermal

Data storage facilities

Removable solid state disks

Mission planning software

Optech Airborne Mission Manager (AMM)

Postprocessing software

CARIS Base Editor

Application: Main applications

Seamless bathymetric data generation in clear waters to 80m and turbid water; nautical charting; shallow coastal area monitoring; navigation hazard detection; seafloor reflectance image and classification for environmental assessment. Results include high accuracy bathymetry (to 80 m) with seamles data transition to topography; true water column characterization; submerged object detection; bottom feature classification; unmatched shallow and turbid water results.

Measurement Characteristics: Scanning method

Circular prism scanning

Scan frequency [Hz]

27

Min. pulse frequency [Hz]

10,000

Max. pulse frequency [Hz]

30,000

Max. field of view [deg]

40

Max. number of recorded echoes per pulse

Full waveform

Full-wave form digitization

Y

Pulse sampling frequency [GHz]

1

Recording of intensity of return signal [bits]

12

multiple pulses in air

N

Operation Characteristics: Platform

Helicopter, Fixed-wing

Min. flying height [m]

300

Max. flying height [m]

600

Max. acquisition time [hr]

999

Laser Pulse Characteristics: Wavelength [nm]

532

Beam divergence [mrad]

7

Type/class laser

Class IV

Eyesafe range [m]

260

Uncertainty and resolution: Elevation precision at 1 km [m]

0.05

Planimetric precision at 1km [cm]

40

Pitch and roll pointing precision [deg]

0.005

Heading pointing precision [deg]

0.01