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1570nm Laser Rangefinder -120K16

1570nm Laser Rangefinder -120K16 Featured Image
  • 1570nm Laser Rangefinder -120K16
  • 1570nm Laser Rangefinder -120K16
  • 1570nm Laser Rangefinder -120K16
  • 1570nm Laser Rangefinder -120K16

1570nm Laser Rangefinder -120K16

Model: LRF-1570-120K16

Short Description:

Ranging ability: 120km(ranging from sky to ground, reflectivity:≥0.1, Altitude of aircraft:≥6km)

Ranging ability:≥16km(ranging from ground to sky, target area:0.1㎡, reflectivity:≥0.3, visibility≥16km)

it takes≥10MW peak power of lasers, 0.6mrad divergence angle, 1570nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 140mm receiving aperture. 


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Technical Parameter

Communication interfaces

Calculation of ranging ability

Dimension

Product Tags

Parameter

Parameters

Specification

Wavelength

1570nm

 

Maximum Range

≥120km

Ranging from sky to ground

reflectivity≥0.1

                   Altitude of aircraft≥6km

≥16km

Ranging from ground to sky, target area:0.1㎡

reflectivity≥0.3

visibility≥16km

Minimum Range

≥400m

Ranging repetition rate

≥20Hz

Divergence angle

≤0.6mrad

Ranging accuracy

≤±5m

Power supply

DC 22V~30V

Power (under room temperature)

≤300W

Continuous operating time

≥3min@20hz

Operating temperature

-40℃~+55℃

Storage temperature

-50℃~+65℃

Dimension

≤410mm×231mm×161mm(lens cap is not included)

Weight

≤10kg

 

With bold and clear marks, special design of socket and connectors is tend to protect it from reverse and false connection. For external interface, it adopts military J30J micro-connectors(names vary according to different manufacturers) Socket: XS1

Table 1 and table 2 show the socket and plug of external interface, table 3 shows definition of Pin NO.

Table 1 Socket of external interface of laser rangefinder 

NO.

Item

Model

Mark

1

Socket of power supply and communication interface

J30JM-15ZKP29

XS1

Table 2 Plug of external interface of laser rangefinder

NO.

Item

Model

Mark

1

Plug of power supply and communication interface

J30J-15TJL–C1(L100)

XP1

Table 3 Definition of Pin NO.

PIN NO.

Abbr.

Note.

Definition

1

PWR+

DC，28V+

 

2

PWR+

DC，28V+

 

3

PWR+

DC，28V+

 

4

PWR+

DC，28V+

 

5

RTN_P

DC，28V-

 

6

RTN_P

DC，28V-

 

7

RTN_P

DC，28V-

 

8

RTN_P

DC，28V-

 

9

LRF_COM_T+

RS422(COM)Y

Laser rangefinder transmit+

10

LRF_COM_T-

RS422(COM)Z

Laser rangefinder transmit-

11

LRF_COM_R-

RS422(COM)B

Laser rangefinder receive-

12

LRF_COM_R+

RS422(COM)A

Laser rangefinder receive+

13

GND_ LRF_COM

RS422(COM)GND

 

14

LRF_ Trigg_R+

external trigger receive+

 

15

LRF_ Trigg _R-

external trigger receive-

  

Targets and condition requirements

Ranging ability: 120km(ranging from sky to ground, reflectivity:≥0.1, Altitude of aircraft:≥6km)

Ranging ability:≥16km(ranging from ground to sky, target area:0.1㎡, reflectivity:≥0.3, visibility≥16km)

Analysis and verification

The main parameters that affect ranging ability are peak power of lasers, divergence angle, transmitting and receiving transmittance, wavelength of laser, etc.

For this laser rangefinder, it takes≥10MW peak power of lasers, 0.6mrad divergence angle, 1570nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 140mm receiving aperture.

It is a laser rangefinder for small targets, ranging ability can be calculated by the following formula. Ranging formula for small targets：

 

With 6km flying altitude and 145km distance to targets, the minimum detectable power is lower than M.D.S of APD(5×10-9W), therefore, under a condition with 6km flying altitude, a laser rangefinder can range distance for large targets(from sky to ground) up to 140~145km(might be close or less than 145km). 

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    •  

    With bold and clear marks, special design of socket and connectors is tend to protect it from reverse and false connection. For external interface, it adopts military J30J micro-connectors(names vary according to different manufacturers) Socket: XS1

    Table 1 and table 2 show the socket and plug of external interface, table 3 shows definition of Pin NO.

    Table 1 Socket of external interface of laser rangefinder 

    NO.

    Item

    Model

    Mark

    1

    Socket of power supply and communication interface

    J30JM-15ZKP29

    XS1

    Table 2 Plug of external interface of laser rangefinder

    NO.

    Item

    Model

    Mark

    1

    Plug of power supply and communication interface

    J30J-15TJL–C1(L100)

    XP1

    Table 3 Definition of Pin NO.

    PIN NO.

    Abbr.

    Note.

    Definition

    1

    PWR+

    DC，28V+

     

    2

    PWR+

    DC，28V+

     

    3

    PWR+

    DC，28V+

     

    4

    PWR+

    DC，28V+

     

    5

    RTN_P

    DC，28V-

     

    6

    RTN_P

    DC，28V-

     

    7

    RTN_P

    DC，28V-

     

    8

    RTN_P

    DC，28V-

     

    9

    LRF_COM_T+

    RS422(COM)Y

    Laser rangefinder transmit+

    10

    LRF_COM_T-

    RS422(COM)Z

    Laser rangefinder transmit-

    11

    LRF_COM_R-

    RS422(COM)B

    Laser rangefinder receive-

    12

    LRF_COM_R+

    RS422(COM)A

    Laser rangefinder receive+

    13

    GND_ LRF_COM

    RS422(COM)GND

     

    14

    LRF_ Trigg_R+

    external trigger receive+

     

    15

    LRF_ Trigg _R-

    external trigger receive-

    		  

    Targets and condition requirements

    Ranging ability: 120km(ranging from sky to ground, reflectivity:≥0.1, Altitude of aircraft:≥6km)

    Ranging ability:≥16km(ranging from ground to sky, target area:0.1㎡, reflectivity:≥0.3, visibility≥16km)

    Analysis and verification

    The main parameters that affect ranging ability are peak power of lasers, divergence angle, transmitting and receiving transmittance, wavelength of laser, etc.

    For this laser rangefinder, it takes≥10MW peak power of lasers, 0.6mrad divergence angle, 1570nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 140mm receiving aperture.

    It is a laser rangefinder for small targets, ranging ability can be calculated by the following formula. Ranging formula for small targets：

     

    With 6km flying altitude and 145km distance to targets, the minimum detectable power is lower than M.D.S of APD(5×10-9W), therefore, under a condition with 6km flying altitude, a laser rangefinder can range distance for large targets(from sky to ground) up to 140~145km(might be close or less than 145km). 

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