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Scanning laser light source
Scanning laser light source

Scanning laser light source

Hoyatek specializes in providing various Swept Wavelength Tunable Lasers (Swept Wavelength Tunable Lasers, or Broadsweepers), which are external cavity tunable semiconductor lasers with fast wavelength scanning function, with high tuning accuracy , High wavelength repeatability. It has a tuning bandwidth of 50nm in the 850nm band and a tuning bandwidth of 60nm in the 1060nm band. It can also provide a tuning bandwidth of 70~80nm according to customer requirements.

    Hoyatek specializes in providing various Swept Wavelength Tunable Lasers (Swept Wavelength Tunable Lasers, or Broadsweepers), which are external cavity tunable semiconductor lasers with fast wavelength scanning function, with high tuning accuracy , High wavelength repeatability. It has a tuning bandwidth of 50nm in the 850nm band and a tuning bandwidth of 60nm in the 1060nm band. It can also provide a tuning bandwidth of 70~80nm according to customer requirements. The frequency selection device of this series of lasers is a tuned high-speed narrow-band AOTF with active temperature control. This guarantees the very high scanning speed of this series of frequency-swept lasers, the fastest scanning speed can reach 7us. In addition, AOTF also guarantees very high linearity of scanning. The wavelength resolution of this series of swept frequency tunable lasers is 0.05nm. AOTF's radio frequency control signal can be programmed before leaving the factory according to the customer's special timing requirements for wavelength scanning. The active temperature control technology of AOTF ensures the long life of the swept frequency tunable laser, high wavelength output stability, and high wavelength repeatability. The specially designed high-speed and high-precision closed-loop power control system guarantees very high power stability during the high-speed wavelength scanning (100,000 nm/s.) of the full spectrum. The carefully designed external cavity structure ensures extremely high spectral purity in the entire scanning band, and the side mode suppression ratio reaches -50 dB. This series of swept frequency tunable lasers are widely used in (optical coherence tomography) optical coherence tomography (OCT), interferometry, spectroscopy, optical fiber sensing and other fields.


Scanning laser light source (Figure 1)

 

Box diagram:

Scanning laser light source (Figure 2)

 

Front view of the chassis

 Scanning laser light source (Figure 3)

Chassis back view

 

The PC software interface diagram is as follows:

Scanning laser light source (Figure 4) 

Note: When the serial port is not connected, the indicator light is red and green when it is connected;

 


Ordering Information

  HY-TL-A-40-100-10-M-FP

Chinese description: Hoyatek Scanning Laser Source

 

Scanning laser light source (Figure 5)


Specifications:

Technical Specification

Scanning laser light source

Parameters

Unit

Values

Optical parameters


Min

Type

Max

Wavelength Scan Range

nm

1525


1578

3dB Bandwidth 3dB Bandwidth

pm

0.3


25

Flatness

dBm

0.01

0.05

0.1

Output Optical Power

mw

0.8

1.5

1.8

Scanning frequency

HZ

1


10

Fiber Optic Connector Fiber Optic Connector


Defined according to user requirements

Control method



RS232 control RS232 Control

local

Protocol control

Level Interface Control

local

Level control 3.3V LVTTL

Data Interface



RS232        Serial Interface


DB9

/CS Power Selection Power Output select ①


SMB

SYN synchronization signal Synchronization Single input②


SMB

Mechanical Specifications



Size

mm

126×157×24

Weight

kg

0.5

Environment



Operating Temperature

+20~ +70

Operating Humidity

RH(%)

+5~+85

Storage Temperature

-10~+85

Storage Humidity

RH(%)

+5~+85

Electrical Specifications



DC power input DC input

V

±12

 

①: When CS is low, the tunable laser works in cycles; when CS is high, the tunable laser stops output, that is, there is no optical signal output;

②: Schematic diagram of synchronization signal

Scanning laser light source (Figure 1)


Industry Application