pocket laser rangefinder - dtic · • laser rangefinder/digital magnetic compass module. august...

Geosystems1

POCKET LASER RANGEFINDER

2001 Joint Services Small Arms SymposiumAugust 16, 2001

William DunnillJuerg GeesDaniel SchneiderJos van SeetersDusan Zadravec

Leica Technologies [email protected]

Report Documentation Page

Report Date 16Aug2001

Report Type N/A

Dates Covered (from... to) -

Title and Subtitle Pocket Laser Rangefinder

Contract Number

Grant Number

Program Element Number

Author(s) Dunnill, William; Gees, Juerg; Schneider, Daniel;Seeters, John Van, Zadravec, Dusan

Project Number

Task Number

Work Unit Number

Performing Organization Name(s) and Address(es) Leica Technologies Inc

Performing Organization Report Number

Sponsoring/Monitoring Agency Name(s) and Address(es) NDIA (National Defense Industrial Association) 211Wilson Blvd, STE. 400 Arlington, VA 22201-3061

Sponsor/Monitor’s Acronym(s)

Sponsor/Monitor’s Report Number(s)

Distribution/Availability Statement Approved for public release, distribution unlimited

Supplementary Notes Proceedings from the 2001 Joint Services Small Arms Symposium, Exhibition & Firing Demonstration13-16 August 2001 Sponsored by NDIA, The original document contains color images.

Abstract

Subject Terms

Report Classification unclassified

Classification of this page unclassified

Classification of Abstract unclassified

Limitation of Abstract UU

Number of Pages 20

GeosystemsAugust 16, 2001 2

Outline

• Pocket Laser Rangefinder (PLRF)• Range improvement• Laser Rangefinder/Digital Magnetic Compass Module


LEICA PLRF - Pocket Laser Rangefinder

• Range > 1km

• Pocket size rangefinder

• Handheld

• Button operated

• Adaptation to NV

• IAW MIL-STD 810

• Submersible 66 ft


LEICA PLRF - General Characteristics

Rangefinder

• Range performance: 50 - 1000 m(albedo 0.1, target size 1 x 1 m)

• Measurement range: 5 - 2500 m(theoretical on display)

• Accuracy: ± 2 m

• Diode laser: 905 nm

1550 nm

• Eye-safety: Class 1according to ANSI Z 136.1 (2000)


LEICA PLRF - General Characteristics

Optics

• Magnification: 6 x 30

• Configuration: monocular

Miscellaneous

• Battery capacity: > 5000 shots

• Dimensions: 4.5 x 3.7 x 1.7 inch

• Weight: 17 oz

• Interface: NV AN-PVS14


PLRF - Status

• Order for 2 each ETU (engineering test unit) fromDepartment of the Navy, USA

• 2 x ETU, 905 nm technology delivered in April 2001• 2 x ETU, 1550 nm technology delivered in July 2001

• Currently undergoing operational tests


PLRF Range versus Visibility

0 5000 1 .104

1.5 .104

2 .104

2.5 .104

3 .104

3.5 .104

4 .104

4.5 .104

5 .104

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000RANGE

Observer Visibility in m

Ran

ge in

m

0 5000 1 .104

1.5 .104

2 .104

2.5 .104

3 .104

3.5 .104

4 .104

4.5 .104

5 .104

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000RANGE


Ran

ge in

m

Target size 2.3 m (NATO), Albedo 0.1

Wavelength: 905 nm

Beam Divergence: 0.4 x 1.3 mrad

Wavelength: 1,550 nm



Range Enhancement – Vector/Viper Test Bed

Transmitter


VECTOR IV/VIPER Beam Shaper

Goal : Range Improvement

VECTOR IV/Viper• Beam divergence 2.0 x 2.0 mrad• Effective optical laser output 19 %

VECTOR with Beamshaper• Beam divergence 0.7 x 0.3 mrad• Effective optical laser output 45 %


Irradiance in Target Plane (on scale) at 4 km

VECTOR IV

NATO TARGET 2.3m x 2.3m

VECTOR withBeam Shaper

2.3m

8.0m

2.8m


Range of VECTOR IV

0 2000 4000 6000 8000 1 .104

1.2 .104

1.4 .104

1.6 .104

1.8 .104

2 .104

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

House 0.345 / 10mNATO 1 0.3 / 2.3mNATO 2 0.3 / 3.2m

Model Target Albedo / Size


max

imum

Ran

ge in

m


Range of VECTOR with Beamshaper

0 2000 4000 6000 8000 1 .104

1.2 .104

1.4 .104

1.6 .104

1.8 .104

2 .104

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

House 0.345 / 10mNATO 1 0.3 / 2.3mNATO 2 0.3 / 3.2m

Model Target Albedo / Size


max

imum

Ran

ge in

m


Laser Rangefinder/Digital Magnetic Compass Module

Range· Range 5 m up to 2500 m· Wavelength 905 nm and 1550 nm· Class 1 Eye Safe

(ANSI Z136.1-2000 & EN 60825-1 1994)

Heading & 2-axis tilt· Azimuth accuracy 0.5°, independent of

elevation and bank positions· Elevation and bank up to +/- 80°· Built-in 3D magnetic compensation

Physical characteristics· L x W x H: 3.9 x 3.1 x 1.7 inches· Weight (as shown): ≈ 8 oz.


LRF-DMC Module, Top View


LRF-DMC Module Options


LRF – DMC Module with optional boresighted ports

• Laser Rangefinder• Digital Magnetic Compass• Pitch and Cant• Digital Output

• Option example• Color video camera• B & W video camera• Laser pointer


Module Range versus Receiver Aperture


Wavelength: 905 nm


0 5 10 15 20 25 30 35 40 45 500

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

visibility 20 kmvisibility 10 kmvisibility 7 kmvisibility 3 kmvisibility 1 km

RANGE

Receiver Aperture in mm

Ran

ge in

m


Module Range versus Receiver Aperture




0 5 10 15 20 25 30 35 40 45 500

500

1000

1500

2000

2500

3000

3500

4000

4500

5000


RANGE


Ran

ge in

m


Module Range with Beam Shaper versus Receiver Aperture




0 5 10 15 20 25 30 35 40 45 500

500

1000

1500

2000

2500

3000

3500

4000

4500

5000


RANGE


Ran

ge in

m


Summary

• 4 X PLRFs in OT• Range enhancement developed with beam shaper• Beam Shaper imbedded in Viper ~ doubles range performance• New LRF-DMC module developed• Several module options available

pocket laser rangefinder - dtic · • laser rangefinder/digital magnetic compass module. august...

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