852nm SM VCSEL Laser diode Without TEC


852±1nm without TEC,Narrow linewidth, output power 1mW, Tolerance ±1nm, TO46

Part Number  :  PL -VCSEL-0852-0-A81-TO46
Unit Price  :  USD [Please inquire]
Lead time  :   [Please inquire]
Inventory quantity   :   [Please inquire]
Stock NO.   :  A80040021
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The PL -VCSEL-0852-1-A81-TO46 852±1nm VCSEL is a vertical emitting MOVPE grown GaAsP/AlGaAs Single Mode diode laser. The chips are mounted in TO5 can. Wavelength tuning can be achieved via laser current and temperature tuning. package with TEC and PD Built in. It is special designed for TDLAS Application. Good Narrow linewidth and wide tunability with TEC made it a great low cost choice for Rubidium Spectroscopy D1 transition.

Condition:TO P = 20°C, IO P = 2.0 mA unless otherwise stated (TO P = chip backside temperature, controlled by the TEC)

Parameters

Symbol

Min

Typ

Max

Unit

Remark

Emission Wavelength

λR

852±1nm

Threshold current

ITH


0.5


mA


Output Power

Popt

0.25



mW


Threshold Voltage

UTH


1.8


V


Driving Current

IOP



2

mA

Popt = 0.3 mW

Laser voltage

UOP


2


V

Popt = 0.3 mW

Electro optic conversion rate

ηWP


12


%

Popt = 0.3 mW

Slope efficiency

ηS


0.3


W/A


Differential series resistance

RS


250


Ω

Popt = 0.3 mW

3dB bandwidth

ν3dB

0.10



GHz

Popt = 0.3 mW

Due to ESD protection     diode

Relative intensity noise

RIN


-130

-120

dB/Hz

Popt = 0.3 mW @ 1     GHz

Wavelength tuning over current



0.6


nm/mA


Wavelength tuning over temperature



0.06


nm/K


Thermal resistance (VCSEL chip)

Rthermal

3


5

K/mW


Side mode supression


25



dB

I  = 2 mA

Beam divergence

θ

10


25

°

Popt = 0.3 mW, full   width 1/e2

Spectral Width



100


MHz

Popt = 0.3 mW


Tec Characteristics

Unit

Min

Typ

Max

Remark

Tec Current

mA

-150(Heating)


+300(Cooling)

Proper Heart Sink   Required

NTC Thermistor Resistance

9.5

10.0

10.5

T=25@10 KΩ

NTC Thermistor Resistance

10/exp{3892-(1/289K-I/TOP)}


Spectrum

852.png

L-I Curve(T@25°C)

%49%WTNZTWC{75ON`]G0Z3V_副本.png

Temperature / wavelength tuning over TEC current*

222.png

Fabry Perot Spectrum 

2223.png

Dimensions and Pin definitions 

fz.png


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