1653nm Butterfly laser for methane detection
The 1653nm series of ultra narrow linewidth laser designed for applications in optical metrology & instrumentation and optical gas & chemical sensing, requiring narrow spectral linewidth, excellent SMSR, power stability, and a very highly wavelength stable laser output.

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Features
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser;
Industry-standard, 14-pin butterfly package;
Low capacitance and low dark current;
Low threshold current , low operating current;
High-output power;
Built-in TEC and optical isolator.

Applications
Methane detection.

Electro-Optical Parameters

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Center Wavelength

λc

TL=25℃ CW

1652

1653.5

1655

nm

Peak Optical Output Power

PO

-

6

8

-

mW

Threshold Current

ITH

-

-

25

35

mA

Slope Efficiency

ƞ

PO=PL, TL=25℃

-

0.1

-

mW/mA

Operating current

Iop

PO= 10 mW (CW)

-

80

100

mA

Operating Voltage

Vop

PO= PL

 

1.2

2.0

V

TEC set temperature

Ts

-

15

-

35

Bandwidth(@-3dB)

BW

-

-

2.5

-

GHz

Side-mode Suppression Ratio

SMSR

PO=PL, TL=25℃

35

-

-

dB

Optical Isolation

-

-10 < TC < +70 ºC

30

-

-

dB


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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