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🔭 Fiber Optic Materials

Polymer Clad
ITD-PCR Series

UV-Curable Polymer Clad Resin for Optical Fiber

UV-curable fluorinated resin with precisely controlled refractive index for polymer-clad silica (PCS) optical fiber manufacturing. Wide RI range from 1.363 to 1.452 enables high-NA fiber design for medical, industrial laser, and fiber sensor applications.

RI: 1.363 ~ 1.452 High NA · Up to 0.50 UV Cure Transmittance > 92%

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📧 [email protected] / [email protected]

✦ ITD-PCR Series — Key Properties

Product TypeUV-Curable Fluorinated Resin

Refractive Index (cured)1.363 ~ 1.452 @ 852nm

Numerical Aperture (NA)Up to 0.50

Transmittance> 92% (600~1000nm)

Cure MethodUV Cure · Inline process

Temp. Stability150°C long-term tested

Process GradeAP grade available

Grade SelectionContact ITD for RI match

* RI-matched grade recommendation and full TDS available upon request.

Market Trend

Why Polymer Clad Fiber Matters

PCS (Polymer-Clad Silica) fiber bridges the performance gap between all-glass SMF/MMF and all-plastic POF, enabling high-power and high-bandwidth delivery in demanding environments.

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Medical Device & Laser Delivery

High-power laser delivery for surgical cutting, ablation, and photodynamic therapy demands PCS fibers with high NA (0.37–0.50) and superior temperature stability. Low-index polymer clad is the critical enabling material.

0.50 NA

Maximum NA — enables maximum light collection efficiency

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Automotive MOST Network

Third-generation MOST® (Media Oriented Systems Transport) networks require PCF at 150 Mbps for in-vehicle multimedia. PCS fiber with stable polymer clad enables reliable automotive-grade optical data links.

150 Mbps

3rd-gen MOST — PCF required for maximum bandwidth

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Fiber Sensor & Defense

Distributed sensing, gyroscopes, and defense fiber-optic systems rely on PCS for its ruggedness and high-NA light collection. AP-grade polymer clad offers enhanced aging performance in harsh field environments.

AP Grade

Advanced Process grade — extended aging & harsh environment

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High-Power Fiber Laser

Cladding pump fiber for fiber lasers requires precise RI control and low attenuation in the 600–1000nm window. ITD-PCR Series offers >92% transmittance across this range, supporting kW-class fiber laser pump delivery.

> 92%

Transmittance @ 600–1000nm — laser-grade clarity

Product Line-up

ITD-PCR Series — Available Grades

Wide refractive index range from 1.363 to 1.452 (cured, @ 852nm) to match any glass core and achieve your target NA. AP grades available for advanced process requirements.

ITD-PCR-363

Very Low Index · Ultra High NA

RI (cured @ 852nm): 1.363
NA: 0.50

Highest NA · Medical & Sensor

ITD-PCR-370

Very Low Index · High NA

RI (cured @ 852nm): 1.370
NA: 0.48
Elongation: 58%

High flexibility · 58% elongation

ITD-PCR-373

Very Low Index · Standard

RI (cured @ 852nm): 1.376
NA: 0.46
Aging: 150°C / 6,411hrs

HPCF · 150°C / 6,411hrs tested

ITD-PCR-375

Low Index · Flexible

RI (cured @ 852nm): 1.382
NA: 0.44
Elongation: 74%

Highest elongation · Flexible

ITD-PCR-400

Middle Index · Balanced

RI (cured @ 852nm): 1.400
NA: 0.38
Tg: 74°C

Easy processing · Balanced

ITD-PCR-404F

Middle Index · Fast Cure

RI (cured @ 852nm): 1.404
NA: 0.37
Modulus: 398 MPa

High modulus · Fast cure

ITD-PCR-409

Middle Index · General

RI (cured @ 852nm): 1.397
NA: 0.40

General purpose · AP available

ITD-PCR-414

Middle-High Index

RI (cured @ 852nm): 1.414
NA: 0.34
Tg: 81°C

High strength · Tg 81°C

ITD-PCR-430

High Index

RI (cured @ 852nm): 1.421
NA: 0.30
Modulus: 513 MPa

High modulus · Stiff grade

ITD-PCR-444

High Index

RI (cured @ 852nm): 1.444
NA: 0.18

Near-matched RI

ITD-PCR-452

Highest Index

RI (cured @ 852nm): 1.452
NA: ~0.00

RI-matched · Special coating

* AP (Advanced Process) grades available for PCR-363, 370, 373, 375, 400, 404F, 409. Contact ITD for full lineup and grade selection guide.

Specifications

Typical Performance Data

Representative values based on standard grades. All values are grade-dependent. Full TDS available upon request.

Uncured State — Physical Properties

Grade	RI @ 589nm (uncured)	Viscosity @ 25°C (cps)
ITD-PCR-363	1.358	2,200
ITD-PCR-370	1.363	5,000
ITD-PCR-373	1.367	4,800
ITD-PCR-375	1.379	4,500
ITD-PCR-400	1.391	1,750
ITD-PCR-404F	1.396	4,000
ITD-PCR-409	1.390	1,800
ITD-PCR-414	1.405	4,500
ITD-PCR-430	1.407	4,200
ITD-PCR-444	1.433	4,600
ITD-PCR-452	1.442	4,600

Cured State — Optical & Mechanical Properties

Grade	RI @ 852nm	NA	Modulus (MPa)	Tensile (MPa)	Elong. (%)	Tg (°C)
ITD-PCR-363	1.363	0.50	50	5.2	24	50
ITD-PCR-370	1.370	0.48	70	7.8	58	58
ITD-PCR-373	1.376	0.46	81	9.3	38	60
ITD-PCR-375	1.382	0.44	110	10.1	74	63
ITD-PCR-400	1.400	0.38	287	14.2	18	74
ITD-PCR-404F	1.404	0.37	398	18.5	13	83
ITD-PCR-409	1.397	0.40	232	13.5	26	70
ITD-PCR-414	1.414	0.34	286	17.1	28	81
ITD-PCR-430	1.421	0.30	513	25.4	8	97
ITD-PCR-444	1.444	0.18	224	14.9	23	67
ITD-PCR-452	1.452	0.00	219	17.0	25	77

Common Properties (All Grades)

Property	Value	Condition
Transmittance	> 92%	600 ~ 1000nm
Temperature Stability	Verified	150°C / 6,411hrs — max deviation 0.084 dB @ 850nm (PCR-373AP)
Cure Method	UV Cure	Standard UV lamp or LED-UV
Form	Liquid resin	Solvent-free

* All values are typical and subject to change. AP grade data and full TDS available upon request.

Process Guide

PCS Fiber Coating Process

Glass Preform

High-purity silica core glass preform preparation

Draw Tower

Fiber drawing at controlled temperature and speed

Die Coating

ITD-PCR resin applied via precision coating die inline

UV Cure

Inline UV lamp cures resin to form stable polymer clad

Spool & QC

Spooling with optical loss & NA measurement

Applications

Where ITD-PCR Series Is Used

🔭

Medical Laser

High-power delivery for surgical cutting, ablation, and photodynamic therapy. High-NA grades (PCR-363, 370) maximize light collection.

🚊

Automotive Network

MOST® in-vehicle optical network. PCF supports 150 Mbps 3rd-generation MOST for multimedia data.

⚡

Fiber Laser Pump

Cladding pump fiber for industrial and scientific fiber lasers. >92% transmittance from 600–1000nm ensures efficient pump coupling.

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Sensor & Defense

Gyroscopes, distributed temperature sensing, and defense fiber systems requiring rugged, high-NA PCS fiber.

Technical Inquiry

Request Sample or TDS — ITD-PCR Series

Polymer Clad Resin — Technical Inquiry Form

Fill in your fiber specifications. Our specialist will respond within 1–2 business days with the recommended grade and latest TDS.

Contact Information

Company Name *

Contact Person *

Email *

Office Tel (incl. country code)

Country

Company Website (optional)

Fiber & Application Specifications

Fiber Application

Fiber Dimension (Core / Clad)

Target NA

Target Refractive Index

Operating Wavelength

Operating Temperature

Coating Method

Draw Speed (m/min)

AP Grade Required?

Annual Volume

Current Product / Competitor Grade (helps us match the right grade)

Additional Requirements

📧 Our Polymer Clad specialist will respond within 1–2 business days with the recommended grade, latest TDS, and sample conditions.
Urgent: [email protected] / [email protected]

✅

Inquiry Submitted!

Thank you for your interest in ITD-PCR Series.
Our specialist will contact you within 1–2 business days.

[email protected] / [email protected]