Compact Fixed Time Delay Coils   2021-06-23    


PD-LD Making compact and low loss fiber coils demands attention, precision and skill. With proprietary manufacturing processes, LD-PD's LP-TDC Compact Time Delay Coils provide extremely low insertion loss while fitting your budget and small spaces. Compact, Rugged Design.No more large fiber spools to occupy your work area and no more high losses associated with small diameter spools! LD-PD's Compact Time Delay Coils fill a void in the Photonics market where large time delays yet small sizes are essential. Each coil is ruggedly packaged to withstand serious handling in field applications.


Product model



Name Model Price
Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L□□□□-XX
(Stock NO. Not entered)
USD 0.00 
1000m Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L1000-SA
Stock NO.: D80020001
USD 1200.00 
 
208.4m Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L0208.4-SA
Stock NO.: D80020007
USD 450.00 
 
103.2m Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L0103.2-SA
Stock NO.: D80020003
USD 380.00 
 
24.3m Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L0024.3-SA
Stock NO.: D80020008
USD 280.00 
 
11.1m Compact Fixed Time Delay Coils  [PDF]  [RFQ]

LP-TDC-L0011.1-SA
Stock NO.: D80020005
USD 250.00 
 


Parameter



Features

● Compact size

● Low insertion loss

● Choose your own delay length

● Rugged construction

● Easy to use

Physical/Optical Characteristics

Parameter

Symbol

Min

Typ

Max

Unit

Length

L

10

500

5000

m

Typical Insertion Loss

IL

0.1

0.2

0.3

dB/km

Operation Wavelength

λ

1260

1500

1700

nm

Operating Temperatature

T

-40

25

85

°C

Fiber Type


HI1060/SMF-28E/PM1550(Optional)

Handling Power

Pf

500

1000

5000

mW

Bobbin Size

Customize

Connector

FC/APC or FC/PC

Type Optical Delay Range

Dependent on fiber length

Notes:

Calculate Required Delay Length To calculate the required fiber length to obtain a specific time delay, use the following formula: L = c Δt / n where c is the speed of light in vacuum, Δt is the desired time delay, and n is the index of refraction of fused silica at the wavelength of interest (use n = 1.4677 at 1310 nm and n = 1.4682 at 1550 ) 

Dimension

coil1.jpg.png

SMF-28E Fiber Nominal Characteristics and Tolerances

Parameters

Specification

Cut off wavelength

920nm

Max Attenuation

2.1dB/km

Cladding Diameter

125um

Coating Diameter

250um

Core Cladding Concentricity

0.5um

Mode Field diameter

9.5um


Absolute  Maximum Ratings

Item

Symbol

Unit

Min

Typ

Max

Testing Condition

Axial Pull Force


N

-

-

5N

3x10s

Side Pull Force


N

-

-

2.5N

3x10s

Fiber Bend Radius



16mm



-

Store Temperature

TSTG

-40

-

+85

2000hr

Operating Temperature

TOP

-55

-

+125


Relative Humidity

RH


5%

-

95%

Noncondensing


Application

● Optical buffer for optical networks

● Gyroscope, sensor and signal processing

● Radar and instrument calibration

● Laser spectroscopic measurement

● Time delay for opto-electronic oscillators

● Nonlinear fiber loop

● Optical network testing and analysis

● Optical packet switching, buffering, routing and input/output synchronization

Ordering Info

LP-TDC-L□□□□-XX

L□□□□:Length

0010: 10m

0100:100m

1000:1000m

XX: Fiber and Connector Type

SN=SMF-28E Fiber + None

SA=SMF-28E Fiber + FC/APC

SP=SMF-28E Fiber + FC/PC

PP=PM Fiber Fiber + FC/PC

PA=PM Fiber Fiber + FC/APC



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