1512nm TO39 Laser Diode for NH3 detection
The TO39 laser diodes contains thermoelectric cooler (TEC), thermistor, monitor photodiode,optical isolator to secure high quality laser performance. under the high-precision temperature control of semiconductor refrigerators, the advantages of high power stability and wavelength stability make the laser widely used in the field of laser gas analysis.

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Features
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser;
Industry-standard, wavelength stabilization;
High output power;
Airtight temperature control packaging.;
1512nm Wavelength.

Applications
Laser gas analysis and detection system.

Electro-Optical Parameters

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Peak Optical Output Power

PO

CW

3

5

-

mW

Threshold Current

ITH

CW

-

12

18

mA

Operating Current

Iop

CW, 5mW

-

-

80

mA

Operating Voltage

Vop

CW, 5mW

-

1.5

2.0

V

Slope efficiency

ƞ

CW, 5mW

0.05

0.1

-

mW/mA

Peak wavelength

λp

CW, 5mW@25

λc-1.5

-

λc+1.5

nm

Side-mode Suppression Ratio

SMSR

CW

35

-

-

dB

Spectral width(20dB)

-

CW, 5mW

-

0.2

-

nm

Wavelength Temperature coefficient

Δλ/ΔT

TEC temperature

at 15 to 35℃

-

0.1

-

nm/

Wavelength Current coefficient

Δλ/ΔΙ

-

-

0.01

-

nm/mA

Thermistor

Rth

Ttherm = 25

9.5

10

10.5

kΩ


Package

Original Carton Package;
As customers‘ requirement.

Shipping
5-10 Working days after receive the payment;
Shipment: Air transportation(DHL / UPS / TNT / Fedex / EMS / CHINA POST);
Shipping fee depends on the weight and size.


Payment
For large orders: T/T, Credit card;
For small orders: Paypal are accepted.
 
Warranty
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.) 
 
Refund & Replacement
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
 
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Contact: Lydia Liu
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