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RTP CRYSTAL

RTP crystals are widely used in Pockels cells, shutters, Q-switches, attenuators, and modulators. They offer high repetition rates up to 1 MHz, ultra-fast switching (<1 ns), and perform well across a broad temperature range (–50°C to +70°C). iRTP, Raicol’s advanced version of RTP is designed specifically for industrial laser applications that require advanced characteristics. iRTP Pockels Cell requires only 1D alignment to reach optimum extinction ratio, making it ideal for high-performance electro-optic applications.

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Overview

RTP Crystals (Rubidium Titanyl Phosphate) are widely used in the electro-optics industry for a variety of applications, including Pockels cells, shutters, Q-switches, attenuators, and modulators. Their versatility and reliability have made them a popular choice in mass-market electro-optics.

The iRTP is an advanced version of RTP, offering enhanced performance. Two standout features of RTP and iRTP are their high repetition rate, capable of reaching up to 1 MHz, and fast switching times, with rise and fall times of less than 1 nanosecond.

A major advantage of RTP cells is their ability to perform across a wide temperature range, from -50°C to +70°C, making them ideal for use in diverse environments. Additionally, iRTP simplifies the alignment process by requiring only single-dimensional alignment, resulting in faster setup and improved extinction ratios.

Key Features

RTP based Q‐switch devices are offered in matched pair configurations, in a temperature compensating design.
When used for applications such as Q‐Switches and Amplitude Modulators, the crystals are mounted in a way that the input beam is polarized along the diagonal of the face.

Features

Low half-wave voltage
High damage threshold
Non hygroscopic
Minimal ringing at high rep rates
Operates over wide temperature range

Functionality

Specifications

Apertures up to 60 x 60 mm2
Length up to 70 mm along X axis
Flatness up to L/10 @1064 nm
Roughness <3A RMS
Parallelism up to 5 arc sec.
Perpendicularity up to 5 arc min.
Scratch/dig2/1 up to 0/0 per custom demand
AR coatings dual band R < 0.1 %
Absorption coefficient Bulk (1064nm) =2-4 ppm/cm Surface (1064nm) = 1-2 ppm Bulk (532nm) = 8ppm/cm Surface (532nm) = 1-2 ppm
Guaranteed Damage threshold :2500 MW/cm2 at 1064 nm 1000 MW/cm2 at 532 nm 500 MW/cm2 at 355 nm For 10 ns pulses

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